Focus - Definition

n 1: the concentration of attention or energy on something; "the
focus of activity shifted to molecular biology"; "he had no
direction in his life" [syn: focus, focusing,
focussing, focal point, direction, centering]
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" [syn: focus, focal point, nidus]
5: special emphasis attached to something; "the stress was more
on accuracy than on speed" [syn: stress, focus]
6: a point of convergence of light (or other radiation) or a
point from which it diverges [syn: focus, focal point]
7: a fixed reference point on the concave side of a conic
section
v 1: direct one's attention on something; "Please focus on your
studies and not on your hobbies" [syn: concentrate,
focus, center, centre, pore, rivet]
2: cause to converge on or toward a central point; "Focus the
light on this image" [ant: blur]
3: bring into focus or alignment; to converge or cause to
converge; of ideas or emotions [syn: concenter,
concentre, focalize, focalise, focus]
4: become focussed or come into focus; "The light focused" [syn:
focus, focalize, focalise] [ant: blur, dim, slur]
5: put (an image) into focus; "Please focus the image; we cannot
enjoy the movie" [syn: focus, focalize, focalise,
sharpen] [ant: blear, blur]