focus meaning

EN[ˈfəʊ.kəs] [ˈfoʊ.kəs] [-əʊkəs]
  • Focus, FOCUS, or foci may refer to:
  • In science, mathematics or computing:
  • Focus (cognitive process), selectively concentrating on one aspect of the environment while ignoring other things
  • Focus (computing), which of a number of GUI elements currently accepts keyboard input
  • Focus (optics), a point toward which light rays are made to converge
  • Focus (linguistics), a concept referring to the way information in one phrase relates to information that has come before
  • Focus (earthquake), an earthquake's underground point of origin or hypocenter

    Definition of focus in English Dictionary

  • NounPLfociPLfocuses
    1. NC (optics) A point at which reflected or refracted rays of light converge.
      1. The heat of sunlight at the focus of a magnifying glass can easily set dry leaves on fire. ‎
    2. NC (geometry) A point of a conic at which rays reflected from a curve or surface converge.
      1. NU (photography, cinematography) The fact of the convergence of light on the photographic medium.
        1. Not long ago, it was difficult to produce photographs of tiny creatures with every part in focus. [ …] A photo processing technique called focus stacking has changed that. Developed as a tool to electronically combine the sharpest bits of multiple digital images, focus stacking is a boon to biologists seeking full focus on a micron scale.
      2. NU (photography, cinematography) The quality of the convergence of light on the photographic medium.
        1. During this scene, the boy’s face shifts subtly from soft focus into sharp focus. ‎
      3. NU Concentration of attention.
        1. I believe I can bring the high degree of focus required for this important job. ‎
      4. NC (seismology) The exact point of where an earthquake occurs, in three dimensions.
        1. The earthquake's focus was at exactly 37 degrees north, 18 degrees south, seventy five meters below the ground. ‎
      5. (computing, graphical user interface) The indicator of the currently active element in a user interface.
        1. Text entered at the keyboard or pasted from a clipboard is sent to the component which currently has the focus. ‎
      6. (linguistics) The most important word or phrase in a sentence or passage, or the one that imparts information.
      7. VerbSGfocusesSGfocussesPRfocusingPRfocussingPT, PPfocusedPT, PPfocussed
        1. VT To cause (rays of light, etc) to converge at a single point.
          1. VT To adjust (a lens, an optical instrument) in order to position an image with respect to the focal plane.
            1. You'll need to focus the microscope carefully in order to capture the full detail of this surface.
          2. VT (followed by on or upon) To concentrate one's attention.
            1. Focus on passing the test.
          3. VI To concentrate one’s attention.
            1. If you're going to beat your competitors, you need to focus.
          4. (computing, graphical user interface) VT To transfer the input focus to (a visual element), so that it receives subsequent input.
            1. The text box won't receive the user's keystrokes unless you explicitly focus it.
        2. More Examples
          1. Used in the Middle of Sentence
            • Chrysler’s disposal last year will let Daimler focus on improving profitability at remaining divisions, including truckmaking and vehicle finance, Mr. Zetsche said.
            • Most inquiry has focussed on the researchee while only limited attention has been given to the researcher.
            • The US Department of Justice has a handy guide for police to focus on when attempting to bust the next toe tapper or washroom wanker.
          2. Used in the Ending of Sentence
            • But this rush to chocolatize anything edible hurts the psyche of bona-fide chocolate lovers who know that chocolate's true mission is not to complement other foods but to be the focus.
            • If you separate your work from reality, the artistry and stylization become the focus.
            • The young man had married a woman who had only one hand, and it was on the fact of her one-handedness that my thought was focused.
        • Part-of-Speech Hierarchy
          1. Nouns
            • Nouns with irregular plurals
              • Countable nouns
                • Singularia tantum
                  • Uncountable nouns
                • Verbs
                  • Intransitive verbs
                    • Transitive verbs
                  Related Links:
                  1. en focused
                  2. fr focusse
                  3. fr focussa
                  4. en focuser
                  5. fr focussé
                  Source: Wiktionary
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                  Meaning of focus for the defined word.

                  Grammatically, this word "focus" is a noun, more specifically, a nouns with irregular plural, a countable noun and a singularia tantum. It's also a verb, more specifically, an intransitive verb and a transitive verb.
                  Difficultness: Level 3
                  Easy     ➨     Difficult
                  Definiteness: Level 9
                  Definite    ➨     Versatile