focus

(n) the concentration of attention or energy on something
- the focus of activity shifted to molecular biology
- he had no direction in his life
centering, focusing, focussing, focal point, direction,
(n) maximum clarity or distinctness of an image rendered by an optical system
- in focus
- out of focus
(n) maximum clarity or distinctness of an idea
- the controversy brought clearly into focus an important difference of opinion
(n) a central point or locus of an infection in an organism
- the focus of infection
nidus, focal point,
(n) special emphasis attached to something
- the stress was more on accuracy than on speed
stress,
(n) a point of convergence of light (or other radiation) or a point from which it diverges focal point,
(n) a fixed reference point on the concave side of a conic section

(v) direct one's attention on something
- Please focus on your studies and not on your hobbies
pore, rivet, center, centre, concentrate,
(v) cause to converge on or toward a central point
- Focus the light on this image
(v) bring into focus or alignment; to converge or cause to converge; of ideas or emotions concenter, concentre, focalise, focalize,
(v) become focussed or come into focus
- The light focused
focalise, focalize,
(v) put (an image) into focus
- Please focus the image; we cannot enjoy the movie
focalise, focalize, sharpen,

centering focusing focussing focal point direction pore rivet center centre concentrate concenter concentre focalise focalize nidus stress sharpen

blur slur dim blear

focal

focused focusing focus on focussed focussing