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1.
the concentration of attention or energy on something
the focus of activity shifted to molecular biology
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
5.
special emphasis attached to something
6.
a point of convergence of light (or other radiation) or a point from which it diverges
7.
a fixed reference point on the concave side of a conic section
'focus' - used as a verb
8.
direct one's attention on something
Please focus on your studies and not on your hobbies
9.
cause to converge on or toward a central point
Focus the light on this image
10.
bring into focus or alignment; to converge or cause to converge; of ideas or emotions
11.
become focussed or come into focus
The light focused
12.
put (an image) into focus
Please focus the image; we cannot enjoy the movie
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derived forms
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1. Focus / Plural
foci
2. Focus / Plural
focuses
3. Focus / Past
focused
4. Focus / Third Person
focuses
5. Focus / Present Participle
focusing
6. Focus / Past
focussed
7. Focus / Present Participle
focussing
8. Focus / Third Person
focusses
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