1
focus (n.)the concentration of attention or energy on something;
the focus of activity shifted to molecular biology
Synonyms: focusing /
focussing /
focal point /
direction /
centering focus (n.)maximum clarity or distinctness of an image rendered by an optical system;
focus (n.)maximum clarity or distinctness of an idea;
the controversy brought clearly into focus an important difference of opinion
focus (n.)a central point or locus of an infection in an organism;
Synonyms: focal point /
nidus focus (n.)special emphasis attached to something;
focus (n.)a point of convergence of light (or other radiation) or a point from which it diverges;
Synonyms: focal point
focus (n.)a fixed reference point on the concave side of a conic section;
2
focus (v.)direct one's attention on something;
Please focus on your studies and not on your hobbies
focus (v.)cause to converge on or toward a central point;
focus (v.)bring into focus or alignment; to converge or cause to converge; of ideas or emotions;
Synonyms: concenter / concentre / focalize / focalise
focus (v.)become focussed or come into focus;
Synonyms: focalize / focalise
focus (v.)put (an image) into focus; "Please focus the image; we cannot enjoy the movie";
Synonyms: focalize /
focalise /
sharpen 