
Open English Wordnet
Nouns
(n)focusmaximum clarity or distinctness of an image rendered by an optical system“in focus”,
“out of focus” (n)focusmaximum clarity or distinctness of an idea“the controversy brought clearly into focus an important difference of opinion” (n)focus, focal point, nidusa central point or locus of an infection in an organism“the focus of infection” (n)stress, focusspecial emphasis attached to something“the stress was more on accuracy than on speed” (n)focus, focal pointa point of convergence of light (or other radiation) or a point from which it diverges (n)focusa fixed reference point on the concave side of a conic section Verbs
(v)focuscause to converge on or toward a central point“Focus the light on this image”