focus, focal point (point at which reflected or refracted rays of light converge) · focus (point of a conic at which rays reflected from a curve or surface converge) · focus
çekim: çoğul Brennpunkte · tamlayan Brennpunkts
eş: Fokus
köken: Calque of New Latin pūnctum ūstiōnis (17th c.), after the fact that sun rays burn when concentrated in a focus. By surface analysis, brennen + Punkt
focus, image point · in-depth interview about a product, conducted in a special studio among a small group of respondents, recorded on tape and analysed by experts
çekim: çoğul fokusy · tamlayan fokusu
köken: Etymology tree Latin focuslbor. Polish fokus Learned borrowing from Latin focus. Doublet of foyer.
focus, focal point (point at which reflected or refracted rays of light converge) · focus (point of a conic at which rays reflected from a curve or surface converge)
köken: poltto (“burn, burning”) + piste (“point”), from the fact that a convex lens concentrates the rays of the sun into the focus of the lens, which may cause a flammable material to catch fire.
focus, focal point (point at which reflected or refracted rays of light converge) · focus (point of a conic at which rays reflected from a curve or surface converge)
çekim: çoğul ohniska · tamlayan ohniska
eş: fokus, středobod
köken: Inherited from Proto-Slavic *ognisko. By surface analysis, oheň (“fire”) + -isko.
köken: From foc + -ar or possibly Vulgar Latin *focārium, nominalization of the Late Latin adjective focārius, from Latin focus. Compare French foyer, from which the modern senses of the word were derived.