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Noun: focus (foci,focuses)  fow-kus
  1. The concentration of attention or energy on something
    "the focus of activity shifted to molecular biology";
    - focusing, focussing, focal point, direction, centering [US], centreing [Brit, Cdn], centring [Brit, Cdn]
     
  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";
    - focal point, nidus
     
  5. Special emphasis attached to something
    "the focus was more on accuracy than on speed";
    - stress
     
  6. A point of convergence of light (or other radiation) or a point from which it diverges
    - focal point
     
  7. A fixed reference point on the concave side of a conic section
     
  8. (computing) the active element in a user interface, typically where user input will appear on screen
    "when you click a text box, it gets the input focus"
Verb: focus (focused,focusing,focuses, also focussed,focussing,focusses)  fow-kus
  1. Direct one's attention on something
    "Please focus on your studies and not on your hobbies";
    - concentrate, center [US], centre [Brit, Cdn], pore, rivet
     
  2. Cause to converge on or toward a central point
    "Focus the light on this image"
     
  3. Bring into focus or alignment; to converge or cause to converge; of ideas or emotions
    - concenter [US], concentre [Brit, Cdn], focalize, focalise [Brit]
     
  4. Become focussed or come into focus
    "The light focused";
    - focalize, focalise [Brit]
     
  5. Put (an image) into focus
    "Please focus the image; we cannot enjoy the movie";
    - focalize, focalise [Brit], sharpen

Derived forms: focused, foci, focusses, focuses, focusing

See also: focus on

Type of: absorption, accent, adapt, adjust, align, aline [non-standard], cerebrate, clarity, clearness, cogitate, concentration, conform, correct, distinctness, emphasis, engrossment, immersion, limpidity, line up, lucidity, lucidness, pellucidity, point, set, sharpen, sharpness, think

Antonym: blur

Part of: focal infection

Encyclopedia: Focus, Please!