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Word: focus
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Meaning:
Noun:
- computing The indicator of the currently active element in a user interface.
- geometry a point of a conic at which rays reflected from a curve or surface converge.
- optics a point at which reflected or refracted rays of light converge.
- countable the exact point of where an earthquake occurs, in three dimensions.
- linguistics The most important word or phrase in a sentence or passage, or the one that imparts information
- uncountable concentration of attention.
- photography|cinematography The fact of the convergence of light on the photographic medium.
- photography|cinematography The quality of the convergence of light on the photographic medium.
Source: Wiktionary
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Verb:
- transitive|followed by '''on''' or '''upon''' To concentrate one's attention.
- intransitive To concentrate one?s attention.
- transitive To adjust (a lens, an optical instrument) in order to position an image with respect to the focal plane.
- transitive To cause (rays of light, etc) to converge at a single point.
- transitive To make (a liquid) less diluted.
Source: Wiktionary
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