"focus" in the noun sense
1. focus, focusing, focussing, focal point, direction, centering
the concentration of attention or energy on something
"the focus of activity shifted to molecular biology"
"he had no direction in his life"
maximum clarity or distinctness of an image rendered by an optical system
"out of focus"
maximum clarity or distinctness of an idea
"the controversy brought clearly into focus an important difference of opinion"
4. focus, focal point, nidus
a central point or locus of an infection in an organism
"the focus of infection"
5. stress, focus
special emphasis attached to something
"the stress was more on accuracy than on speed"
6. focus, focal point
a point of convergence of light (or other radiation) or a point from which it diverges
a fixed reference point on the concave side of a conic section
"focus" in the verb sense
1. concentrate, focus, center, centre, pore, rivet
direct one's attention on something
"Please focus on your studies and not on your hobbies"
cause to converge on or toward a central point
"Focus the light on this image"
3. concenter, concentre, focalize, focalise, focus
bring into focus or alignment to converge or cause to converge of ideas or emotions
4. focus, focalize, focalise
become focussed or come into focus
"The light focused"
5. focus, focalize, focalise, sharpen
put (an image) into focus we cannot enjoy the movie"
"Please focus the image
Source: WordNet® (An amazing lexical database of English)
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