| 释义 |
focussed
fo·cus F0220200 (fō′kəs)n. pl. fo·cus·es or fo·ci (-sī′, -kī′) 1. a. The distinctness or clarity of an image rendered by an optical system.b. The state of maximum distinctness or clarity of such an image: in focus; out of focus.c. An apparatus used to adjust the focal length of an optical system in order to make an image distinct or clear: a camera with automatic focus.2. a. A point at which rays of light or other radiation converge or from which they appear to diverge, as after refraction or reflection in an optical system: the focus of a lens. Also called focal point.b. See focal length.3. a. A center of interest or activity: "Precisely how diet affects E. coli in livestock is the focus of current research" (Cindy Engel).b. Close or narrow attention; concentration: "He was forever taken aback by [New York's] pervasive atmosphere of purposefulness—the tight focus of its drivers, the brisk intensity of its pedestrians" (Anne Tyler).c. A condition in which something can be clearly apprehended or perceived: couldn't get the problem into focus.4. Medicine The region of a localized bodily infection or disease.5. Geology The point of origin of an earthquake.6. Mathematics A fixed point whose relationship with a directrix determines a conic section.v. fo·cused, fo·cus·ing, fo·cus·es or fo·cussed or fo·cus·sing or fo·cus·ses v.tr.1. To cause (light rays, for example) to converge on or toward a central point; concentrate.2. a. To render (an object or image) in clear outline or sharp detail by adjustment of one's vision or an optical device; bring into focus.b. To adjust (a lens, for example) to produce a clear image.3. To direct toward a particular point or purpose: focused all their attention on finding a solution to the problem.v.intr.1. To converge on or toward a central point of focus; be focused.2. To adjust one's vision or an optical device so as to render a clear, distinct image.3. To concentrate attention or energy: a campaign that focused on economic issues.
[New Latin, from Latin, hearth (probably in reference to the fact that a lens or parabolic mirror can concentrate sunlight on a single point to start a fire).]
fo′cus·er n.Thesaurus| Adj. | 1. | focussed - being in focus or brought into focusfocused | | 2. | focussed - (of light rays) converging on a point; "focused light rays can set something afire"focusedconvergent - tending to come together from different directions |
EncyclopediaSeefocusfocussed
Synonyms for focussedadj being in focus or brought into focusSynonymsadj (of light rays) converging on a pointSynonymsRelated Words |