light(redirected from light beam diaphragm)
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n., adj. light•er, light•est, n.
adj.andadv. -er, -est. adj.
v.i. light•ed or lit, light•ing.
2. an apparatus for producing unusual optical effects by flashing light upon disks bearing various figures, patterns, etc.
2. Also called photodysphoria. a painful sensitivity to light, especially visually.
3. a tendency to thrive in reduced light, as certain plants.
2. spectrogram. — spectrographic, adj.
If you light something such as a cigarette or candle, you make it start burning. The past tense and -ed participle of light is either lit or lighted. Lit is more common.
You can say that a street, building, or room is lit or is lighted by a particular kind of light, for example electricity.
For both meanings of light, you use lighted, not 'lit', in front of a noun.
However, after an adverb you use lit.
Past participle: lit/lighted
|Noun||1.||light - (physics) electromagnetic radiation that can produce a visual sensation; "the light was filtered through a soft glass window"|
natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"
light beam, ray, ray of light, beam of light, shaft of light, irradiation, beam, shaft - a column of light (as from a beacon)
corona - one or more circles of light seen around a luminous object
counterglow, gegenschein - a faint spot of light in the night sky that appears directly opposite the position of the sun; a reflection of sunlight by micrometeoric material in space
daylight - light during the daytime
electromagnetic spectrum - the entire frequency range of electromagnetic waves
firelight - the light of a fire (especially in a fireplace)
fluorescence - light emitted during absorption of radiation of some other (invisible) wavelength
friar's lantern, ignis fatuus, jack-o'-lantern, will-o'-the-wisp - a pale light sometimes seen at night over marshy ground
gaslight - light yielded by the combustion of illuminating gas
glowing, radiance, glow - the amount of electromagnetic radiation leaving or arriving at a point on a surface
glow - a steady even light without flames
half-light - a greyish light (as at dawn or dusk or in dim interiors)
lamplight - light from a lamp
luminescence - light not due to incandescence; occurs at low temperatures
shooting star, meteor - a streak of light in the sky at night that results when a meteoroid hits the earth's atmosphere and air friction causes the meteoroid to melt or vaporize or explode
moonlight, moonshine, Moon - the light of the Moon; "moonlight is the smuggler's enemy"; "the Moon was bright enough to read by"
starlight - the light of the stars
scintillation - (physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle
streamer - light that streams; "streamers of flames"
torchlight - light from a torch or torches
twilight - the diffused light from the sky when the sun is below the horizon but its rays are refracted by the atmosphere of the earth
|2.||light - any device serving as a source of illumination; "he stopped the car and turned off the lights"|
fairy light - a small colored light used for decoration (especially at Christmas)
flood lamp, floodlight, photoflood, flood - light that is a source of artificial illumination having a broad beam; used in photography
headlamp, headlight - a powerful light with reflector; attached to the front of an automobile or locomotive
houselights - lights that illuminate the audience's part of a theater or other auditorium
jacklight - a light used as a lure in hunting or fishing at night
navigation light - light on an airplane that indicates the plane's position and orientation; red light on the left (port) wing tip and green light on the right (starboard) wing tip
night-light - light (as a candle or small bulb) that burns in a bedroom at night (as for children or invalids)
panel light - a light to illuminate an instrument panel
room light - light that provides general illumination for a room
sconce - a candle or flaming torch secured in a sconce
searchlight - a light source with reflectors that projects a beam of light in a particular direction
running light, sidelight - light carried by a boat that indicates the boat's direction; vessels at night carry a red light on the port bow and a green light on the starboard bow
source of illumination - any device serving as a source of visible electromagnetic radiation
strip lighting - light consisting of long tubes (instead of bulbs) that provide the illumination
theater light - any of various lights used in a theater
torch - a light usually carried in the hand; consists of some flammable substance
|3.||light - a particular perspective or aspect of a situation; "although he saw it in a different light, he still did not understand"|
|4.||light - the quality of being luminous; emitting or reflecting light; "its luminosity is measured relative to that of our sun"|
physical property - any property used to characterize matter and energy and their interactions
incandescence - light from heat
|5.||light - an illuminated area; "he stepped into the light"|
scene - the place where some action occurs; "the police returned to the scene of the crime"
|6.||light - a condition of spiritual awareness; divine illumination; "follow God's light"|
|7.||light - the visual effect of illumination on objects or scenes as created in pictures; "he could paint the lightest light and the darkest dark"|
visual property - an attribute of vision
gloriole, halo, nimbus, aura, aureole, glory - an indication of radiant light drawn around the head of a saint
sunniness - lightness created by sunlight
brightness - the location of a visual perception along a continuum from black to white
|8.||light - a person regarded very fondly; "the light of my life"|
friend - a person you know well and regard with affection and trust; "he was my best friend at the university"
|9.||light - having abundant light or illumination; "they played as long as it was light"; "as long as the lighting was good"|
illumination - the degree of visibility of your environment
|10.||light - mental understanding as an enlightening experience; "he finally saw the light"; "can you shed light on this problem?"|
|11.||light - merriment expressed by a brightness or gleam or animation of countenance; "he had a sparkle in his eye"; "there's a perpetual twinkle in his eyes"|
|12.||light - public awareness; "it brought the scandal to light"|
|13.||Light - a divine presence believed by Quakers to enlighten and guide the soul|
|14.||light - a visual warning signal; "they saw the light of the beacon"; "there was a light at every corner"|
visual signal - a signal that involves visual communication
|15.||light - a device for lighting or igniting fuel or charges or fires; "do you have a light?"|
device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
fuze, fuse, primer, priming, fuzee, fusee - any igniter that is used to initiate the burning of a propellant
friction match, match, lucifer - lighter consisting of a thin piece of wood or cardboard tipped with combustible chemical; ignites with friction; "he always carries matches to light his pipe"; "as long you've a lucifer to light your fag"
match - a burning piece of wood or cardboard; "if you drop a match in there the whole place will explode"
|Verb||1.||light - make lighter or brighter; "This lamp lightens the room a bit"|
floodlight - illuminate with floodlights
spotlight - illuminate with a spotlight, as in the theater
|2.||light - begin to smoke; "After the meal, some of the diners lit up"|
|3.||light - to come to rest, settle; "Misfortune lighted upon him"|
|4.||light - cause to start burning; subject to fire or great heat; "Great heat can ignite almost any dry matter"; "Light a cigarette"|
reignite - ignite anew, as of something burning; "The strong winds reignited the cooling embers"
conflagrate, enkindle, kindle, inflame - cause to start burning; "The setting sun kindled the sky with oranges and reds"
combust, burn - cause to burn or combust; "The sun burned off the fog"; "We combust coal and other fossil fuels"
light up - ignite; "The sky lit up quickly above the raging volcano"
flare up - ignite quickly and suddenly, especially after having died down; "the fire flared up and died down once again"
|5.||light - fall to somebody by assignment or lot; "The task fell to me"; "It fell to me to notify the parents of the victims"|
devolve, return, fall, pass - be inherited by; "The estate fell to my sister"; "The land returned to the family"; "The estate devolved to an heir that everybody had assumed to be dead"
fall - to be given by assignment or distribution; "The most difficult task fell on the youngest member of the team"; "The onus fell on us"; "The pressure to succeed fell on the youngest student"
|6.||light - alight from (a horse)|
|Adj.||1.||light - of comparatively little physical weight or density; "a light load"; "magnesium is a light metal--having a specific gravity of 1.74 at 20 degrees C"|
heavy - of comparatively great physical weight or density; "a heavy load"; "lead is a heavy metal"; "heavy mahogany furniture"
|2.||light - (used of color) having a relatively small amount of coloring agent; "light blue"; "light colors such as pastels"; "a light-colored powder"|
white - being of the achromatic color of maximum lightness; having little or no hue owing to reflection of almost all incident light; "as white as fresh snow"; "a bride's white dress"
dark - (used of color) having a dark hue; "dark green"; "dark glasses"; "dark colors like wine red or navy blue"
|3.||light - of the military or industry; using (or being) relatively small or light arms or equipment; "light infantry"; "light cavalry"; "light industry"; "light weapons"|
heavy - of the military or industry; using (or being) the heaviest and most powerful armaments or weapons or equipment; "heavy artillery"; "heavy infantry"; "a heavy cruiser"; "heavy guns"; "heavy industry involves large-scale production of basic products (such as steel) used by other industries"
|4.||light - not great in degree or quantity or number; "a light sentence"; "a light accent"; "casualties were light"; "light snow was falling"; "light misty rain"; "light smoke from the chimney"|
heavy - unusually great in degree or quantity or number; "heavy taxes"; "a heavy fine"; "heavy casualties"; "heavy losses"; "heavy rain"; "heavy traffic"
|5.||light - psychologically light; especially free from sadness or troubles; "a light heart"|
heavy - marked by great psychological weight; weighted down especially with sadness or troubles or weariness; "a heavy heart"; "a heavy schedule"; "heavy news"; "a heavy silence"; "heavy eyelids"
|6.||light - characterized by or emitting light; "a room that is light when the shutters are open"; "the inside of the house was airy and light"|
dark - devoid of or deficient in light or brightness; shadowed or black; "sitting in a dark corner"; "a dark day"; "dark shadows"; "dark as the inside of a black cat"
|7.||light - (used of vowels or syllables) pronounced with little or no stress; "a syllable that ends in a short vowel is a light syllable"; "a weak stress on the second syllable"|
unstressed - not bearing a stress or accent; "short vowels are unstressed"
|8.||light - easily assimilated in the alimentary canal; not rich or heavily seasoned; "a light diet"|
digestible - capable of being converted into assimilable condition in the alimentary canal
|9.||light - (used of soil) loose and large-grained in consistency; "light soil"|
loose - not compact or dense in structure or arrangement; "loose gravel"
|10.||light - (of sound or color) free from anything that dulls or dims; "efforts to obtain a clean bass in orchestral recordings"; "clear laughter like a waterfall"; "clear reds and blues"; "a light lilting voice like a silver bell"|
pure - free of extraneous elements of any kind; "pure air and water"; "pure gold"; "pure primary colors"; "the violin's pure and lovely song"; "pure tones"; "pure oxygen"
|11.||light - moving easily and quickly; nimble; "the dancer was light and graceful"; "a lightsome buoyant step"; "walked with a light tripping step"|
light-footed - (of movement) having a light and springy step; "a light-footed girl"
|12.||light - demanding little effort; not burdensome; "light housework"; "light exercise"|
undemanding - requiring little if any patience or effort or skill; "the pay was adequate and the job undemanding"; "simple undemanding affection"; "an undemanding boss"
|13.||light - of little intensity or power or force; "the light touch of her fingers"; "a light breeze"|
heavy - of great intensity or power or force; "a heavy blow"; "the fighting was heavy"; "heavy seas"
|14.||light - (physics, chemistry) not having atomic weight greater than average; "light water is ordinary water"|
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
heavy - (physics, chemistry) being or containing an isotope with greater than average atomic mass or weight; "heavy hydrogen"; "heavy water"
|15.||light - weak and likely to lose consciousness; "suddenly felt faint from the pain"; "was sick and faint from hunger"; "felt light in the head"; "a swooning fit"; "light-headed with wine"; "light-headed from lack of sleep"|
|16.||light - very thin and insubstantial; "thin paper"; "light summer dresses"|
thin - of relatively small extent from one surface to the opposite or in cross section; "thin wire"; "a thin chiffon blouse"; "a thin book"; "a thin layer of paint"
|17.||light - marked by temperance in indulgence; "abstemious with the use of adverbs"; "a light eater"; "a light smoker"; "ate a light supper"|
temperate - not extreme in behavior; "temperate in his habits"; "a temperate response to an insult"; "temperate in his eating and drinking"
|18.||light - less than the correct or legal or full amount often deliberately so; "a light pound"; "a scant cup of sugar"; "regularly gives short weight"|
|19.||light - having little importance; "losing his job was no light matter"|
|20.||light - intended primarily as entertainment; not serious or profound; "light verse"; "a light comedy"|
frivolous - not serious in content or attitude or behavior; "a frivolous novel"; "a frivolous remark"; "a frivolous young woman"
|21.||light - silly or trivial; "idle pleasure"; "light banter"; "light idle chatter"|
frivolous - not serious in content or attitude or behavior; "a frivolous novel"; "a frivolous remark"; "a frivolous young woman"
|22.||light - designed for ease of movement or to carry little weight; "light aircraft"; "a light truck"|
light-duty - not designed for heavy work; "a light-duty detergent"
|23.||light - having relatively few calories; "diet cola"; "light (or lite) beer"; "lite (or light) mayonnaise"; "a low-cal diet"|
|24.||light - (of sleep) easily disturbed; "in a light doze"; "a light sleeper"; "a restless wakeful night"|
shallow - not deep or strong; not affecting one deeply; "shallow breathing"; "a night of shallow fretful sleep"; "in a shallow trance"
|25.||light - casual and unrestrained in sexual behavior; "her easy virtue"; "he was told to avoid loose (or light) women"; "wanton behavior"|
unchaste - not chaste; "unchaste conduct"
|Adv.||1.||light - with few burdens; "experienced travellers travel light"|
brightness dark, shadow, cloud, shade, darkness, dusk, obscurity
bright dark, dim, gloomy, dusky
illuminate cloud, dull, darken
"And God said, Let there be light; and there was light" Bible: Genesis
weak strong, forceful
digestible rich, substantial
undemanding strenuous, burdensome
insignificant serious, weighty
light-hearted serious, sombre
light on or upon
light1 [laɪt] (lit or lighted (vb: pt, pp))
she was sitting with her back to the light or with the light behind her → estaba sentada de espaldas a la luz
the light was beginning to fade → estaba empezando a oscurecer
her hair is almost black in certain lights → según como le da la luz tiene el pelo casi negro
against the light → al trasluz
to hold sth against the light → acercar algo a la luz, mirar algo al trasluz
by the light of the moon/a candle → a la luz de la luna/de una vela
at first light → al rayar el día
you're (standing) in my light → me quitas la luz, me haces sombra
light and shade → luz y sombra (Art) → claroscuro m
to hold sth up to the light → acercar algo a la luz, mirar algo al trasluz
to see (a) light at the end of the tunnel → ver la salida del túnel, ver una solución al problema
to bring sth to light → sacar algo a la luz
to shed or throw or cast light on sth → arrojar luz sobre algo
in the cold light of day → a la luz del día (fig) → pensándolo con calma
to come to light → salir a la luz (pública)
new facts have come to light → han salido a la luz nuevos datos
(the) light dawned on him/her → se dio cuenta, comprendió
to hide one's light (under a bushel) → quitarse importancia, ser modesto
he was the light of her life → era la niña de sus ojos
to see the light (Rel) → ver la luz; (= understand) → abrir los ojos, ver la luz (hum)
to see the light (of day) → ver la luz (del día)
see also leading B
in the distance I could see the lights of a town → a lo lejos veía las luces de una ciudad
to switch on or turn on the light → encender la luz
to switch off or turn off the light → apagar la luz
lights out → hora f de apagar las luces
what time is lights out? → ¿a qué hora se apagan las luces?
to go out like a light (= fall asleep) → dormirse al instante; (= lose consciousness) → caer (en) redondo
see also bright C
see also runway C
rear or tail lights → pilotos mpl, luces fpl traseras, calaveras fpl (Mex)
reversing lights → luces fpl de marcha atrás
a red/green/amber light → un semáforo en rojo/verde/ámbar
to go through a red light → saltarse un semáforo en rojo
the lights → el semáforo
the lights were at or on red → el semáforo estaba en rojo
the lights were against us all the way → nos tocaron todos los semáforos en rojo
see also green D
according to or by sb's lights (frm) → según el parecer de algn
to see things/look at sth in a different or new light → ver las cosas/mirar algo con una perspectiva distinta or desde otro punto de vista
I began to see my friends in a new light → empecé a ver a mis amigos con otros ojos
to show or portray sth/sb in a good/bad light → dar una buena/mala imagen de algo/algn
this shows our country in a bad light → esto da una mala imagen de nuestro país
in the light of what you have said → en vista de or a la luz de lo que has dicho ...
there was a strange light in his eye → había un brillo extraño en su mirada
have you got a light? (for cigarette) → ¿tienes fuego?
to set light to sth (Brit) → prender fuego a algo
see also strike B3
her house is light and airy → su casa tiene bastante luz y ventilación
light summer evenings → las claras tardes de verano
while it's still light → mientras es de día or hay luz
to get light → hacerse de día
she appeared at a lighted window → se asomó a la ventana de una habitación iluminada
to light the way for sb → alumbrar (el camino) a algn
the fire wouldn't light → el fuego no se encendía, el fuego no prendía
light fitting N instalación eléctrica donde se colocan bombillas, tubos fluorescentes, etc
light meter N (Phot) → fotómetro m
light pen N → lápiz m óptico
light show N → espectáculo m de luces
light switch N → interruptor m
light wave N → onda f luminosa
light year N → año m luz
3000 light years away → a una distancia de 3000 años luz
I want to be ten pounds lighter → quiero adelgazar diez libras
I'm ten pounds lighter than I was → peso diez libras menos que antes
to be light on one's feet → ser ligero de pies
with a light heart (= cheerfully) → con el corazón alegre; (= without thinking) → a la ligera
you need a light touch to make good pastry → necesitas manos de seda para conseguir una buena masa
as light as a feather → ligero como una pluma
a light rain was falling → lloviznaba
a light fall of snow → una ligera nevada
trading was light on the Stock Exchange → hubo poca actividad en la Bolsa
traffic was light → había poco tráfico
the speech was light on content → el discurso tenía poco contenido
there was a light tapping on the door → se oyeron unos golpecitos a la puerta
she can only manage light work → sólo puede realizar tareas ligeras
to make light work of sth → hacer algo con facilidad
to make light of sth → quitar importancia a algo
on a lighter note → hablando de cosas menos serias
take along some light reading → llévate algo fácil de leer
she had drifted into a light sleep → se había quedado medio dormida
to be a light sleeper → tener el sueño ligero
light ale N → cerveza f rubia, cerveza f clara
light entertainment N (TV) → programas mpl de variedades
a stand-up comedian provided light entertainment → un humorista amenizó la velada
light industry N → industria f ligera
light infantry N → infantería f ligera
light opera N (= show) → opereta f; (= genre) → género m lírico
light verse N → poesías fpl festivas
light3 [laɪt] (lit or lighted (pt, pp)) VI to light on sth (liter) → dar con algo, tropezar con algo, encontrar algo
artificial light → la lumière artificielle
there's light at the end of the tunnel → on voit le bout du tunnel
it has come to light that ... → il s'est avéré que ...
It has come to light that he was lying → Il s'est avéré qu'il mentait.
to be brought to light [fact, information] → être mis(e) mise au jour
The truth is unlikely to be brought to light by the enquiry → Il est peu probable que l'enquête fasse émerger la vérité.
to cast light on sth, to shed light on sth (= clarify) → éclaircir qch, éclairer qch
This casts light on a problem which I mentioned last year → Cela éclaire le problème que j'ai mentionné l'année dernière.
to cast a new light on sth → apporter un nouvel éclairage sur qch
to throw light on sth → éclaircir qch, éclairer qch
in the light of sth (= given) → à la lumière de qch
In the light of this information it is now possible to identify a number of key issues → On peut maintenant, à la lumière de cette information, identifier un certain nombre de problèmes clés.
light dawned on me (= at last I understood) → la lumière se fit dans mon esprit
in a better light → sous un meilleur jour
There's a light by my bed → Il y a une lampe près de mon lit., Il y a une lumière près de mon lit
Do you need a light? → Tu as besoin d'une lumière?
to switch on the light, to turn the light on → allumer la lumière
to switch off the light, to turn the light off → éteindre la lumière
The janitor comes round to turn the lights off → Le gardien passe pour éteindre les lumières.
to go out like a light (= fall asleep quickly) → s'endormir en un clin d'œil
a light blue sweater → un pull bleu clair
a light blue shirt → une chemise bleu clair
It was still light when we arrived → Il faisait encore jour lorsque nous sommes arrivés.
The traffic is usually lighter on Sundays → La circulation est habituellement plus fluide le dimanche.
There was a light knock at the door
BUT On entendit frapper doucement à la porte.
a light jacket → une veste légère
a light meal → un repas léger
light1 vb: pret, ptp <lit or lighted>
light1 [laɪt] (lit or lighted (vb: pt, pp))
electric light → illuminazione f or luce elettrica
at first light → alle prime luci dell'alba
by the light of the moon → alla luce della luna, al chiaro di luna
in the cold light of day (also) (fig) → alla luce del giorno
you're (standing) in my light → mi fai ombra
to hold sth up to or against the light → tenere qc controluce
to bring to light → portare alla luce
to come to light → venire in luce, emergere
to cast or shed or throw light on → gettare or far luce su
I was hoping that you could shed some light on it (for me) → speravo che tu potessi darmi dei chiarimenti su questo
to see the light (Rel) → convertirsi (fig) → ravvedersi
to reveal sb/sth in a new light → mostrare qn/qc sotto una nuova luce
according to my lights (frm) → secondo quanto mi è dato da capire
to turn the light on/off → accendere/spegnere la luce
rear lights → luci di posizione posteriori
the (traffic) lights were red → il semaforo era rosso
to light sb's way → far luce a qn
lit by electricity → illuminato/a elettricamente
light ale → birra chiara
some light reading → una lettura leggera
she is a light sleeper → ha il sonno leggero
as light as a feather → leggero/a come una piuma
to be light on one's feet → avere il passo leggero
with a light heart → a cuor leggero
to make light work of sth → fare qc con molta facilità
to make light of sth (fig) → prendere alla leggera qc, non dar peso a qc