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light 1

 (līt)
n.
1. Physics
a. Electromagnetic radiation that is visible, perceivable by the normal human eye as colors between red and violet, having frequencies between 400 terahertz and 790 terahertz and wavelengths between 750 nanometers and 380 nanometers. Also called visible light.
b. Electromagnetic radiation of any frequency or wavelength.
2. The sensation of perceiving light; brightness: a sudden light that made me blink.
3.
a. A source of light, especially a lamp, a lantern, or an electric lighting fixture: Turn out the lights when you leave.
b. The illumination derived from a source of light: by the light of the moon.
c. The particular quantity or quality of such illumination: moved the lamp closer to get better light.
d. The pathway or route of such illumination to a person: You're standing in his light.
4.
a. A source of fire, such as a match or cigarette lighter.
b. A mechanical device that uses illumination as a signal or warning, especially a beacon or traffic signal.
5.
a. Daylight.
b. Dawn; daybreak.
6. Something, such as a window, that admits illumination.
7. Architecture One of two or more openings in a window divided by a mullion or mullions.
8. Something that provides information or clarification: research that produced little new light on the question.
9.
a. A state of awareness or understanding, especially as derived from a particular source: in the light of experience.
b. Public attention; general knowledge: brought the scandal to light.
c. Spiritual awareness; illumination.
10. A way of looking at or considering a matter; an aspect: saw the situation in a different light.
11. Archaic Eyesight.
12. lights One's individual opinions, choices, or standards: acted according to their own lights.
13. A person who inspires or is adored by another: My daughter is the light of my life.
14. A prominent or distinguished person; a luminary: one of the leading lights of the theater.
15. An expression of the eyes: a strange light in her eyes.
16. lights Pieces of laundry that are not dark in color.
17. Light In Quaker doctrine, the guiding spirit or divine presence in each person.
v. light·ed or lit (lĭt), light·ing, lights
v.tr.
1. To set on fire; ignite or kindle: lit the kindling.
2. To cause to give out light; make luminous: lit a lamp.
3. To provide, cover, or fill with light; illuminate: fireworks lighting the sky.
4. To signal, direct, or guide with light: "You'd ... set the lamp in the dormer window to light him home through the storm" (Edith Nesbit).
5. To enliven or animate: A smile lit her face.
v.intr.
1. To start to burn; be ignited or kindled: Green wood does not light easily.
2. To emit light; be lighted: Wait until the indicator lights up.
adj. light·er, light·est
1.
a. Having a greater rather than lesser degree of lightness.
b. Of or being an additive primary color.
2. Characterized by or filled with light; bright: a room that is light when the shutters are open.
3. Not dark in color; fair: light hair and skin.
4. Served with milk or cream. Used of coffee.
Phrasal Verb:
light up
1. To become or cause to become animated or cheerful.
2. To start smoking a cigarette, cigar, or pipe.
Idioms:
cast/shed/throw light on
To provide information about or clarify (something).
in (the) light of
In consideration of; in relationship to.
light a fire under
To urge or move to action.
light at the end of the tunnel
The prospect of success, relief, or escape after strenuous effort.

[Middle English, from Old English lēoht, līht; see leuk- in Indo-European roots.]
Usage Note: Lighted and lit are equally acceptable as past tense and past participle of light. Both forms are also well established as adjectives: a lighted (or lit) candle.

light 2

 (līt)
adj. light·er, light·est
1.
a. Of relatively little weight; not heavy: a light load.
b. Of relatively little weight for its size or bulk: Balsa is a light wood.
c. Of less than the correct, standard, or legal weight: a light pound.
2.
a. Designed for ease and quickness of movement; having a structure that is slim and has little weight for its type or class: light aircraft.
b. Designed to carry relatively little weight: light trucks.
c. Carrying little equipment or armament: light cavalry.
d. Requiring relatively little equipment and using relatively simple processes to produce consumer goods: light industry.
3. Exerting little force or impact; gentle: a light pat.
4. Indistinct; faint: light print that I could barely make out.
5.
a. Low in quantity or intensity: light traffic; light snow.
b. Consuming or using relatively moderate amounts; abstemious: a light eater; a light smoker.
c. Not harsh or severe: gave the offender a light sentence.
6. Moving easily and quickly; nimble: You're very light on your feet.
7.
a. Easy to perform or accomplish; requiring little effort: light chores.
b. Easy to bear or endure: a light tax.
8.
a. Having little importance; insignificant: light conversation.
b. Intended primarily as entertainment and lacking serious or weighty content: a light comedy.
c. Not solemn or serious: spoke in a light manner of the situation.
d. Free from worries or troubles; blithe: a light heart.
9. Mildly dizzy or faint: felt light in the head.
10. Easily awakened or disturbed: a light sleeper.
11.
a. Easily digested: a light supper.
b. Containing a relatively small amount of a potentially harmful ingredient, such as alcohol, fat, or sodium: light beer; light mayonnaise.
12.
a. Having a spongy or flaky texture; well-leavened: light pastries.
b. Having a loose, porous consistency: light soil.
13. Linguistics
a. Of, relating to, or being a syllable ending in a short vowel or a short vowel plus a consonant.
b. Of, relating to, or being a vowel or syllable pronounced with little or no stress.
adv. lighter, lightest
1. In a light manner; lightly.
2. With little weight and few burdens: traveling light.
intr.v. light·ed or lit (lĭt), light·ing, lights
1. To get down, as from a vehicle or horse; dismount.
2. To descend to the ground after flight; land.
3. To come upon one unexpectedly: Misfortune lighted upon him.
4. To come upon by chance or accident. Used with on or upon: lit on the perfect solution to the problem.
Phrasal Verbs:
light into Informal
To attack verbally or physically; assail.
light out Informal
To leave hastily; run off.
Idiom:
go light on
1. To use, acquire, or consume in small or moderate amounts: go light on the garlic.
2. To treat leniently.

[Middle English, from Old English lēoht, līht; see legwh- in Indo-European roots.]

light into

vb
(intr, preposition) informal to assail physically or verbally
ThesaurusAntonymsRelated WordsSynonymsLegend:

light 2

adjective
1. Having little weight; not heavy:
2. Of small intensity:
3. Requiring little effort or exertion:
4. Amusing but essentially empty and frivolous:
5. Free from care or worry:
6. Marked by an absence of conventional restraint in sexual behavior; sexually unrestrained:
verb
To come to rest on the ground:
phrasal verb
light into
Informal. To set upon with violent force:
Informal: pitch into.
phrasal verb
light on or upon
To find or meet by chance:
bump into, chance on (or upon), come across, come on (or upon), find, happen on (or upon), run across, run into, stumble on (or upon), tumble on.
Archaic: alight on (or upon).
Idiom: meet up with.
References in periodicals archive ?
Two sun-tracking rooftop mirrors pipe light into a building via more than 100 acrylic fibers.
But he rarely seemed satisfactorily to grasp the incredibly complex process of introducing natural light into his interior spaces (for instance, he often had serious problems with glare).
was founded in 1990 to develop and market products that capitalize on patented technology for collecting and launching of high-intensity light into single or multiple targets in medical, architectural, commercial and industrial applications.