Dictionary Definition
focus
Noun
1 the concentration of attention or energy on
something; "the focus of activity shifted to molecular biology";
"he had no direction in his life" [syn: focusing, focussing, direction, centering]
2 maximum clarity or distinctness of an image
rendered by an optical system; "in focus"; "out of focus"
3 maximum clarity or distinctness of an idea;
"the controversy brought clearly into focus an important difference
of opinion"
4 a central point or locus of an infection in an
organism; "the focus of infection" [syn: focal point,
nidus]
5 special emphasis attached to something; "the
stress was more on accuracy than on speed" [syn: stress]
6 a point of convergence of light (or other
radiation) or a point from which it diverges [syn: focal
point]
7 a fixed reference point on the concave side of
a conic section
Verb
1 direct one's attention on something; "Please
focus on your studies and not on your hobbies" [syn: concentrate, center, centre, pore, rivet]
2 cause to converge on or toward a central point;
"Focus the light on this image" [ant: blur]
3 bring into focus or alignment; to converge or
cause to converge; of ideas or emotions [syn: concenter, concentre, focalize, focalise]
5 put (an image) into focus; "Please focus the
image; we cannot enjoy the movie" [syn: focalize, focalise, sharpen] [ant: blur] [also: foci (pl)]
User Contributed Dictionary
English
Etymology
focus, of unknown origin.Noun
- (optics) a point at
which reflected or
refracted rays of light converge.
- The heat of sunlight at the focus of a magnifying glass can easily set dry leaves on fire.
- a point of a conic at which rays reflected from a curve or surface converge.
- (photography, cinematography) The fact of the convergence of
light on the photographic medium.
- Unfortunately, the license plate is out of focus in this image.
- (photography, cinematography) The quality of the convergence of
light on the photographic medium.
- During this scene, the boy’s face shifts subtly from soft focus into sharp focus.
- concentration
of attention.
- I believe I can bring the high degree of focus required for this important job.
- the exact point of where an earthquake occurs, in three
dimensions.
- The earthquake's focus was at exactly 37 degrees north, 18 degrees south, seventy five meters below the ground.
Translations
in optics
- Czech: ohnisko
- Danish: fokus
- Dutch: focus, brandpunt
- Finnish: fokus, polttopiste
- German: Brennpunkt , Fokus
- Japanese: 焦点
- Polish: ognisko
- Portuguese: foco
- Russian: фокус (fókus) , фокальная точка (fokál’naja tóčka)
- Spanish: foco, punto focal
in mathematics
- Danish: fokus
- Dutch: focus, brandpunt
- Finnish: polttopiste, leikkauspiste
- French: foyer
- German: Brennpunkt
- Japanese: 焦点
- Portuguese: foco
- Russian: фокус (fókus) , фокальная точка (fokál’naja tóčka)
- Spanish: foco
fact of the convergence of light on the
photographic medium
- Danish: fokus
- Dutch: brandpunt
- German: Fokus
- Spanish: enfoque
quality of the convergence of light on the
photographic medium
concentration of attention
- Chinese:
- Mandarin: (jiāodiǎn)
- Danish: fokus
- Dutch: focus
- Finnish: keskittyminen
- French: attention
- German: Konzentration
- Japanese: 焦点
- Russian: концентрация (внимания) (kontsentrátsija (vnimánija))
- Spanish: foco de atención
an exact point of where an earthquake occurs
- Japanese: 震源
- Spanish: hipocentro
Verb
- To cause (rays of light, etc) to converge at a single point.
- To adjust (a lens, an optical instrument) in
order to position an image with respect to the focal plane.
- You'll need to focus the microscope carefully in order to capture the full detail of this surface.
- (followed by on or upon) To concentrate one's attention.
- Focus on passing the test.
- To make (a liquid) less diluted.
- To concentrate
one’s attention.
- If you're going to beat your competitors, you need to focus.
Derived terms
Related terms
Translations
cause (rays of light, etc) to converge at a
single point
- French: focaliser
- Japanese: 絞る
- Portuguese: focalizar
- Spanish: enfocar
to adjust (a lens, an optical instrument)
- Danish: fokusere
- Finnish: tarkentaa
- German: fokussieren
- Japanese: 合わせる
- Portuguese: focalizar
- Russian: фокусировать (fokusírovat’), наводить на фокус (navodít’ na fókus)
- Spanish: enfocar
transitive: to concentrate one's attention
- Danish: fokusere på, koncentrere sig om
- French: se concentrer (on/upon: sur)
- German: sich konzentrieren (on/upon: auf)
- Italian: concentrarsi (on/upon: su)
- Japanese: 集める
- Portuguese: focalizar
- Russian: сосредоточивать (sosredotóčivat’), концентрировать (kontsentrírovat’)
make (a liquid) less diluted
- Japanese: 濃縮する
- Russian: концентрировать (kontsentrírovat’)
intransitive: to concentrate one's attention
- Danish: fokusere, koncentrere sig
- Finnish: keskittyä, keskittää/kohdistaa huomionsa
- French: se concentrer, se focaliser
- German: sich konzentrieren
- Italian: concentrarsi
- Japanese: 集中する
- Russian: сосредоточиваться (sosredotóčivat’sja), концентрироваться (kontsentrírovat’sja)
Latin
Extensive Definition
Focus may refer to:
In science, mathematics or computing:
- Focus
(optics), a point toward which light rays are made to converge
- Autofocus, a feature of some optical systems that obtains and maintains correct focus on a target
- Focal length, a measure of how strongly a lens focuses or diverges light
- Focus (earthquake), an earthquake's underground point of origin or hypocenter
- Focus (geometry), a special point used in describing conic sections
- Focus (computing), a component of the graphical user interface which is currently selected
- Focus (grammar), a phenomenon in Austronesian languages
- Focusing, an activity related to psychotherapy
In music:
- Focus (jazz album), by Stan Getz
- Focus (album), by the US metal band Cynic
- Focus (band), a 1970s Dutch band
- Focus, a mixtape by Talib Kweli
In writing:
- Focus (encyclopedia), a Swedish language encyclopedia
- Focus (linguistics), part of a sentence which contributes the most important information
- Focus (German magazine), a German weekly newsmagazine
- Focus (Christian magazine), a Christian magazine
- Focus, a 1945 novel by Arthur
Miller
- Focus (film), a 2002 film of the novel
- BBC Focus, a monthly science and technology magazine
Other meanings:
- AGM-87 Focus, a U.S. Navy air-to-surface missile
- Foco Theory, a guerrilla theory made by Che Guevara
- Ford Focus, an automobile in 2 versions:
- Helicon Focus, an image software program
- Focus (board game), an abstract strategy game
- Focus, the main news bulletin on Prima TV station, Romania
- Focus (Berlinale), a section of the official programme of the Berlin International Film Festival
Company and Organization names:
- Focus Features, the art house films division of NBC Universal's Universal Studios
- Focus Humanitarian Assistance, an international emergency relief organization
- Focus (DIY), a UK chain of do it yourself stores
FOCUS may mean:
- FOCUS, a domain-specific programming language for data handling and analysis
- FOCUS (hardware), a CPU architecture
- FOCUS (organization), Fellowship of Catholic University Students
- FOCUS Program, a voluntary study program at numerous American universities
- FOCUS Brands, Inc., a food and confectionery company
See also
focus in Bulgarian: Фокус
focus in German: Focus (Begriffsklärung)
focus in Spanish: Foco
focus in French: Foyer
focus in Ido: Foko
focus in Italian: Focus
focus in Hebrew: מוקד
focus in Lithuanian: Fokusas
focus in Dutch: Focus
focus in Japanese: フォーカス
focus in Norwegian: Fokus
focus in Portuguese: Focus
focus in Romanian: Focar (dezambiguizare)
focus in Russian: Фокус
focus in Simple English: Focus
focus in Finnish: Focus
focus in Ukrainian: Фокус
Synonyms, Antonyms and Related Words
adductor, approach, asymptote, attractant, attrahent, axiom, blurred, blurry, bottleneck, bring into focus,
center, center of
attraction, center of consciousness, center of interest, clear, collision course, concenter, concentralization,
concentralize,
concentrate,
concentration,
concourse, concurrence, confluence, conflux, congress, converge, convergence, converging, core, crossing, cynosure, distinct, elixir, essence, essential, fix, fixate, flower, focal point, focalization, focalize, focus of attention,
fundamental,
funnel, fuzzy, gist, gravamen, heart, hub, hypostasis, in focus,
indistinct, inner
essence, kernel, lodestar, lure, magnet, marrow, meat, meet, meeting, mutual approach,
narrowing gap, nave,
nerve, nub, nucleus, nuts and bolts, out of
focus, pinpoint,
pith, point of convergence,
polestar, postulate, prime focus,
principle, put, quid, quiddity, quintessence, radius, rivet, sap, soul, spirit, spokes, spotlight, stuff, substance, tangent, target, the nitty-gritty,
unclear, woolly, zero
in