focus1
زبان مبدأ: انگلیسی
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- واژهنامه · Merriam-Webster Collegiate Dictionary 1 fo·cus n. Pronunciation: ' fō-kəs Function: noun Inflected Form:   plural fo·ci \ ' fō- ˌ sī also - ˌ kī\ also fo·cus·es Etymology: New Latin, from Latin, hearth Date: 1644 1 a : a point at which rays (as of light, heat, or sound) converge or from which they diverge or appear to diverge specifically : the point where the geometrical lines or their prolongations conforming to the rays diverging from or converging toward another point intersect and give rise to an image after reflection by a mirror or refraction by a lens or optical system b : a point of convergence of a beam of particles (as electrons) 2 a : FOCAL LENGTH b : adjustment for distinct vision also : the area that may be seen distinctly or resolved into a clear image c : a state or condition permitting clear perception or understanding <tried to bring the issues into focus > d : DIRECTION 6C <the team lost focus > 3 : one of the fixed points that with the corresponding directrix defines a conic section 4 : a localized area of disease or the chief site of a generalized disease or infection 5 a : a center of activity, attraction, or attention <the focus of the meeting was drug abuse> b : a point of concentration 6 : the place of origin of an earthquake or moonquake 7 : directed attention : EMPHASIS –fo·cus·less \-ləs\ adjective –in focus : having or giving the proper sharpness of outline due to good focusing –out of focus : not in focus]]> 2 focus Function: verb Inflected Form:   fo·cused also fo·cussed ; fo·cus·ing also fo·cus·sing Date: 1775 transitive verb 1 a : to bring into…