focus

fo·cus  (fks)

n. pl. fo·cus·es or fo·ci (-s, -k)

1.

a. A point at which rays of light or other radiation converge or from which they appear to diverge, as after refraction or reflection in an optical system: the focus of a lens. Also called focal point.

b. See focal length.

2.

a. The distinctness or clarity of an image rendered by an optical system.

b. The state of maximum distinctness or clarity of such an image: in focus; out of focus.

c. An apparatus used to adjust the focal length of an optical system in order to make an image distinct or clear: a camera with automatic focus.

3. A center of interest or activity. See Synonyms at center.

4. Close or narrow attention; concentration: "He was forever taken aback by [New York's] pervasive atmosphere of purposefulnessthe tight focus of its drivers, the brisk intensity of its pedestrians" (Anne Tyler).

5. A condition in which something can be clearly apprehended or perceived: couldn't get the problem into focus.

6. Pathology The region of a localized bodily infection or disease.

7. Geology The point of origin of an earthquake.

8. Mathematics A fixed point whose relationship with a directrix determines a conic section.

v. fo·cused or fo·cussed, fo·cus·ing or fo·cus·sing, fo·cus·es or fo·cus·ses

v.tr.

1. To cause (light rays, for example) to converge on or toward a central point; concentrate.

2.

a. To render (an object or image) in clear outline or sharp detail by adjustment of one's vision or an optical device; bring into focus.

b. To adjust (a lens, for example) to produce a clear image.

3. To direct toward a particular point or purpose: focused all their attention on finding a solution to the problem.

v.intr.

1. To converge on or toward a central point of focus; be focused.

2. To adjust one's vision or an optical device so as to render a clear, distinct image.

3. To concentrate attention or energy: a campaign that focused on economic issues.

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[Latin, hearth.]

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focus·er n.

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focus [ˈfəʊkəs]

n pl -cuses, -ci [-saɪ -kaɪ -kiː]

1. (Physics / General Physics) a point of convergence of light or other electromagnetic radiation, particles, sound waves, etc., or a point from which they appear to diverge

2. (Physics / General Physics) another name for focal point [1] focal length

3. (Physics / General Physics) Optics the state of an optical image when it is distinct and clearly defined or the state of an instrument producing this image the picture is in focus the telescope is out of focus

4. a point upon which attention, activity, etc., is directed or concentrated

5. (Mathematics) Geometry a fixed reference point on the concave side of a conic section, used when defining its eccentricity

6. (Earth Sciences / Geological Science) the point beneath the earth's surface at which an earthquake or underground nuclear explosion originates Compare epicentre

7. (Medicine / Pathology) Pathol the main site of an infection or a localized region of diseased tissue

vb -cuses, -cusing, -cused, -cusses -cussing, -cussed

1. (Physics / General Physics) to bring or come to a focus or into focus

2. (tr; often foll by on) to fix attention (on); concentrate

[via New Latin from Latin: hearth, fireplace]

focusable  adj

focuser  n

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focus  (fks)

Plural focuses or foci (fs, fk)

1. The degree of clarity with which an eye or optical instrument produces an image.

2. See focal point.

3. A central point or region, such as the point at which an earthquake starts.

4. Mathematics A fixed point or one of a pair of fixed points used in generating a curve such as an ellipse, parabola, or hyperbola.

5. The region of a localized bodily infection or disease.

Thesaurus

Noun	1.	focus - the concentration of attention or energy on something; "the focus of activity shifted to molecular biology"; "he had no direction in his life" centering, focusing, focussing, focal point, direction engrossment, immersion, absorption, concentration - complete attention; intense mental effort particularism - a focus on something particular
	2.	focus - maximum clarity or distinctness of an image rendered by an optical system; "in focus"; "out of focus" distinctness, sharpness - the quality of being sharp and clear
	3.	focus - maximum clarity or distinctness of an idea; "the controversy brought clearly into focus an important difference of opinion" clarity, clearness, limpidity, lucidity, lucidness, pellucidity - free from obscurity and easy to understand; the comprehensibility of clear expression
	4.	focus - a central point or locus of an infection in an organism; "the focus of infection" nidus, focal point point - the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street" focal infection - bacterial infection limited to a specific organ or region especially one causing symptoms elsewhere
	5.	focus - special emphasis attached to something; "the stress was more on accuracy than on speed" stress emphasis, accent - special importance or significance; "the red light gave the central figure increased emphasis"; "the room was decorated in shades of grey with distinctive red accents"
	6.	focus - a point of convergence of light (or other radiation) or a point from which it diverges focal point point - the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street"
	7.	focus - a fixed reference point on the concave side of a conic section point - the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street"
Verb	1.	focus - direct one's attention on something; "Please focus on your studies and not on your hobbies" pore, rivet, center, centre, concentrate engross, engulf, steep, soak up, immerse, absorb, plunge - devote (oneself) fully to; "He immersed himself into his studies" cerebrate, cogitate, think - use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments; "I've been thinking all day and getting nowhere" rivet - hold (someone's attention); "The discovery of the skull riveted the paleontologists" recall - cause one's (or someone else's) thoughts or attention to return from a reverie or digression; "She was recalled by a loud laugh" think - focus one's attention on a certain state; "Think big"; "think thin" zoom in - examine closely; focus one's attention on; "He zoomed in on the book" take heed, listen, hear - listen and pay attention; "Listen to your father"; "We must hear the expert before we make a decision"
	2.	focus - cause to converge on or toward a central point; "Focus the light on this image" refocus - focus once again; The physicist refocused the light beam" sharpen - make (images or sounds) sharp or sharper blur - to make less distinct or clear; "The haze blurs the hills"
	3.	focus - bring into focus or alignment; to converge or cause to converge; of ideas or emotions concenter, concentre, focalise, focalize align, aline, adjust, line up - place in a line or arrange so as to be parallel or straight; "align the car with the curb"; "align the sheets of paper on the table" refocus - focus anew; "The group needs to refocus its goals"
	4.	focus - become focussed or come into focus; "The light focused" focalise, focalize adapt, conform, adjust - adapt or conform oneself to new or different conditions; "We must adjust to the bad economic situation" slur, dim, blur - become vague or indistinct; "The distinction between the two theories blurred"
	5.	focus - put (an image) into focus; "Please focus the image; we cannot enjoy the movie" focalise, focalize, sharpen adjust, correct, set - alter or regulate so as to achieve accuracy or conform to a standard; "Adjust the clock, please"; "correct the alignment of the front wheels" refocus - put again into focus or focus more sharply; "refocus the image until it is very sharp" center, center on, concentrate on, focus on, revolve about, revolve around - center upon; "Her entire attention centered on her children"; "Our day revolved around our work" blear, blur - make dim or indistinct; "The fog blurs my vision"

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focus

verb

1. concentrate, centre, spotlight, zero in on (informal), meet, join, direct, aim, pinpoint, converge, rivet, bring to bear, zoom in The summit is expected to focus on arms control.

2. fix, train, direct, aim He focused the binoculars on the boat.

noun

1. centre, focal point, central point, core, bull's eye, centre of attraction, centre of activity, cynosure The children are the focus of her life.

2. focal point, heart, target, headquarters, hub, meeting place the focus of the campaign for black rights

3. attention, concern, priority, concentration IBM has shifted its focus to personal computers.

4. subject, point, question, issue, matter, object, theme, substance, topic, subject matter, field of inquiry or reference Food is the main focus of the book.

in focus clear, sharp, distinct, crisp, sharp-edged, sharply defined Pictures should be in focus.

out of focus blurred, obscure, unclear, fuzzy, hazy, muzzy, ill-defined, indistinct Some of the pictures are out of focus.

Translations

focus [ˈfəʊkəs]

A. N (focuses or foci (pl)) [ˈfəʊsaɪ] (gen) → foco m; [of attention] → centro m, foco m
he was the focus of attention → era el centro or foco de atención
to be in focus (Phot) → estar enfocado
to be out of focus (Phot) → estar desenfocado

B. VT [+ camera, instrument] → enfocar (on a) [+ attention] → centrar, concentrar (on en) to focus one's eyes on sth/sb → fijar la mirada en algo/algn
all eyes were focussed on her → todos la miraban fijamente

C. VI to focus (on) [light] → converger(en); [heat rays] → concentrarse(en); [eyes] → fijarse(en)
to focus on sth (Phot) → enfocar algo

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focus [ˈfəʊkəs]

n [focuses] (pl)

(= centre) [interest] → centre m
to be the focus of attention → être le centre d'attention

(= attention) → attention f
focus on sth → intérêt pour qch

(PHOTOGRAPHY) [camera] → foyer m
in focus [camera, telescope] → au point
out of focus [camera, telescope] → pas au point
to be out of focus [image] → être flou
The house is out of focus in this photo → La maison est floue sur cette photo.
to be in focus [image] → être net(te) out-of-focus

vt

[+ binoculars, telescope] → mettre au point
Try to focus the binoculars → Essaye de mettre les jumelles au point.
to focus binoculars on sth → braquer des jumelles sur qch
to focus a camera on sth → braquer un appareil photo sur qch

I can't focus my eyes → Je vois trouble., fixer son regard sur qch

[+ light rays] → faire converger
to focus light on sth → diriger la lumière sur qch

(= concentrate) to focus attention on sb/sth → focaliser l'attention sur qn/qch
to focus one's attention on sb/sth → se focaliser sur qn/qch

focus on

vt fus

(with camera) → régler la mise au point sur
The cameraman focused on the bird → Le caméraman a réglé la mise au point sur l'oiseau.

(= look at) → fixer son regard sur; [eyes] → accommoder sur

(= concentrate on) → se concentrer sur
Let's focus on the plot of the play → Concentrons-nous sur l'intrigue de la pièce.

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focus

n pl <foci> (Phys, Math, fig) → Brennpunkt m; (of storm) → Zentrum nt; (of earthquake, Med) → Herd m; in focus (camera) → (scharf) eingestellt; photo → scharf; to bring something into focus (lit) → etw klar or scharf einstellen; (fig) topic → etw in den Brennpunkt rücken; out of focus (lit, camera) → unscharf eingestellt; photo → unscharf; (fig) ideas → vage; to come into focus → ins Blickfeld rücken; to keep something in focus (lit) → etw scharf eingestellt im Suchfeld behalten; (fig) → etw im Blickfeld behalten; he/the new proposal was the focus of attention → er/der neue Vorschlag stand im Mittelpunkt

vt instrument → einstellen (→ on auf +acc); light, heat rays → bündeln; (fig) one’s efforts, resources, energy → konzentrieren (→ on auf +acc); to focus one’s eyes on somebody/something → den Blick auf jdn/etw richten; to focus one’s attention/mind → sich konzentrieren; I should like to focus your attention (up)on a new problem → ich möchte Ihre Aufmerksamkeit auf ein neues Problem lenken

vi (light, heat rays) → sich bündeln; to focus on something → sich auf etw (acc) → konzentrieren; his eyes focused on the book → sein Blick richtete sich auf das Buch; I can’t focus properly → ich kann nicht mehr klar sehen

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focus [ˈfəʊkəs]

1. n (focuses or foci (pl)) [ˈfəʊkaɪ] (gen) → fuoco; (of attention, interest) → centro
to be out of focus (Phot) → essere sfocato/a
in focus → a fuoco

2. vt to focus (on) (camera, instrument, field glasses) → mettere a fuoco (su); (attention, eyes) → focalizzare (su); (light rays) → far convergere (su)

3. vi to focus (on) (light, heat, rays) → convergere (su); (person) → fissare lo sguardo (su)
to focus on sth (eyes, person) → mettere a fuoco qc

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focus [ˈfəʊkəs]

1. n (focuses or foci (pl)) [ˈfəʊkaɪ] (gen) → fuoco; (of attention, interest) → centro
to be out of focus (Phot) → essere sfocato/a
in focus → a fuoco

2. vt to focus (on) (camera, instrument, field glasses) → mettere a fuoco (su); (attention, eyes) → focalizzare (su); (light rays) → far convergere (su)

3. vi to focus (on) (light, heat, rays) → convergere (su); (person) → fissare lo sguardo (su)
to focus on sth (eyes, person) → mettere a fuoco qc

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focus

n focus [ˈfoukəs]

1 the point at which rays of light meet after passing through a lens. fokus بُؤْرَه фокус ohnisko fokus; brændpunkt der Brennpunkt εστία foco fookus کانون polttopiste foyer מוֹקֵד केंद्र बिंदु fokus, žarište gyújtópont titik pusat, fokus brennipunktur, fókus fuoco 焦点 초점 židinys fokuss titik pusat brandpunt brennpunkt, fokus ognisko foco focar фокус ohnisko žarišče fokus fokus, brännpunkt จุดรวมแสง odak 焦點 фокус شعاعوں یا لہروں کا نقطئہ ارتکاز giao điểm; điểm hội tụ 焦点

2 a point to which light, a look, attention etc is directed She was the focus of everyone's attention. fokus; toespits; alle aandag was op haar toegespits مَرْكِز الإهْتِمام център střed fokus; midtpunkt der Mittelpunkt επίκεντρο foco, centro tulipunkt مورد؛ مرکز keskipiste point de mire מוֹקֵד केन्द्रीय बिंदु fokus, centar fókusz pusat perhatian miðdepill, athygli centro 注目の的 관심 centras centrs perhatian brandpunt midtpunkt centrum foco focar, centru центр stred cilj središte brännpunkt, centrum จุดสนใจ odak noktası 集中點 центр وہ جگہ جہاں روشنی ، توجہ وغیرہ مرکوز کی جاۓ trung tâm; trọng tâm 集中点

v – past tense, past participle ˈfocus(s)ed –

1 to adjust (a camera, binoculars etc) in order to get a clear picture Remember to focus the camera / the picture before taking the photograph. instel; die kamera op iets instel يَضْبِطُ آلة التَصْوير фокусирам zaostřit fokusere scharf stellen εστιάζω enfocar fookusesse seadma تنظیم کردن tarkentaa mettre au point לְמַקֵד केंद्रित होना fokusirati, izoštriti élesre állít memfokuskan stilla linsu/fókus mettere a fuoco 焦点を合わせる 초점을 맞추다 nustatyti ryškumą nostādīt fokusā memfokuskan instellen stille inn, fokusere ogniskować focar a focaliza устанавливать фокус zaostriť izostriti fokusirati ställa in skärpan ปรับ (ภาพ) ให้เห็นชัดเจน odak ayarı yapmak 使聚焦 фокусувати صاف تصویر لینے کے لۓ کسی کیمرہ یا دوربین وغیرہ کو ٹھیک کرنا tụ lại; điều chỉnh tiêu điểm 使聚焦

2 to direct (attention etc) to one point The accident focussed public attention on the danger. vestig; aandag op iets vestig يُرَكِّز، يَوَجِّـه съсредоточавам soustředit henlede; fokusere konzentrieren συγκεντρώνω centrar, concentrar keskendama متمرکز کردن kohdistaa concentrer לְהִתמַקֵד साफ दिखाई देना usmjeriti u jednu točku, usredotočiti összpontosít memusatkan perhatian beina athygli concentrare, focalizzare 集中する (관심 등을) 집중시키다 sutelkti, sukoncentruoti koncentrēt (uzmanību u.tml.) menarik perhatian concentreren samle (seg) om, konsentrere skupiać focar a se concentra; a atrage atenţia сосредоточивать sústrediť osredotočiti usmeriti rikta uppmärksamheten เพ่งความสนใจ yöneltmek 集中注意力於 зосереджувати متوجہ کرنا tập trung (sự chú ý...) 集中注意力于

adj focal

fokaal; brandpunt بُؤْري фокусен ohniskový fokuserende fokal εστιακός focal keskne کانونی؛ اصلی poltto- focal מוֹקדִי केन्द्रीय, नाभीय žarišni gyújtó-, fókusz mengenai fokus brennidepils-; skerpu- focale 焦点の 초점의, 초점 사이를 연결하는, 중심의, 중요한 židinio, centrinis galvenais; centrālais fokus brandpunts- fokal, brenn- ogniskowy focal focal фокусный ohniskový žariščen središni fokal, brännpunkts- เกี่ยวกับจุดรวมแสง odak noktasına ait 焦點的 фокусний ماسکی thuộc về hoặc chỗ tiêu điểm 焦点的

in, out of focus

giving or not giving a clear picture These photographs are out of focus. fokus; uit fokus خارِج البُؤْره، صورَه غير واضِحَه на/не на фокус ostrý; neostrý i fokus; ude af fokus unscharf καλοτραβηγμένος, θαμπός, κουνημένος enfocado, desenfocado terav, ebaterav واضح؛ مبهم epätarkka net; flou לְמַקֵד स्पष्ट तस्वीर नहीं देना u fokusu, izvan fokusa éles, nem éles kép jelas; kabur (ó)skÿr, (ekki) í fókus a fuoco; sfuocato 焦点の合っている〔いない〕 초점이 맞아(맞지 않아) ryškus, neryškus fokusā/ārpus fokusa kabur onscherp i fokus, skarp, klar; ute av fokus, uskarp ostry/nieostry bem/mal focado clar; neclar в, не в фокусе ostrý; neostrý, zaostrený, nezaostrený oster; neoster, premaknjen izoštren/nejasan skarp/oskarp เกี่ยวกับจุดโฟกัส net değil 清晰，模糊 (не)сфокусований صاف تصویر ظاہر کرنا یا نہ کرنا rõ nét/lờ mờ không rõ nét 清晰，模糊

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focus → بُؤْرة, يَترَكز ohnisko, zaostřit fokus, fokusere Brennpunkt, konzentrieren (sich) εστία, εστιάζω bombilla, enfocar, foco kohdistaa, polttopiste centre, se concentrer fokus, usredsrediti se attenzione, concentrarsi 焦点, 焦点を合わせる 초점, 초점을 맞추다 aandacht, aandacht hebben voor fokus, fokusere ognisko, skupić focar, foco фокус, фокусировать(ся) fokus, fokusera จุดเน้น, มุ่งเน้น odak, odaklanmak chú trọng, trọng tâm 焦点, 集中