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WordNet-Online
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Noun focus has 7 senses
- focus, focusing, focussing, 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"
--1 is a kind of concentration, engrossment, absorption, immersion
--1 has particulars: particularism
- focus - maximum clarity or distinctness of an image rendered by an optical system; "in focus"; "out of focus"
--2 is a kind of distinctness, sharpness
- focus - maximum clarity or distinctness of an idea; "the controversy brought clearly into focus an important difference of opinion"
--3 is a kind of clarity, lucidity, pellucidity, clearness, limpidity
- focus, focal point, nidus - a central point or locus of an infection in an organism; "the focus of infection"
--4 is a kind of point
--4 is a part of focal infection
- stress, focus - special emphasis attached to something; "the stress was more on accuracy than on speed"
--5 is a kind of emphasis, accent
- focus, focal point - a point of convergence of light (or other radiation) or a point from which it diverges
--6 is a kind of point
- focus - a fixed reference point on the concave side of a conic section
--7 is a kind of point
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