Converging — Con*ver ging, a. Tending to one point; approaching each other; convergent; as, converging lines. Whewell. [1913 Webster] {Converging rays}(Opt.), rays of light, which, proceeding from different points of an object, tend toward a single point.… … The Collaborative International Dictionary of English
Converging series — Converging Con*ver ging, a. Tending to one point; approaching each other; convergent; as, converging lines. Whewell. [1913 Webster] {Converging rays}(Opt.), rays of light, which, proceeding from different points of an object, tend toward a single … The Collaborative International Dictionary of English
converging lens — noun lens such that a beam of light passing through it is brought to a point or focus • Syn: ↑convex lens • Hypernyms: ↑lens, ↑lense, ↑lens system • Hyponyms: ↑sunglass * * * noun … Useful english dictionary
converging lens — Optics. a lens that converts parallel rays of light to convergent rays and produces a real image. Also called positive lens. Cf. diverging lens. See diag. under lens. * * * … Universalium
converging lens — noun Date: 1860 a lens that causes parallel rays (as of light) to come to a focus … New Collegiate Dictionary
converging lens — lens which merges light rays together, lens which concentrates light … English contemporary dictionary
Conoscopy — (from Ancient Greek κῶνος (konos) cone, spinning top, pine cone and σκοπέω (skopeo) examine, inspect, look to or into, consider ) is an optical technique to make observations of a transparent specimen in a cone of converging rays of light. The… … Wikipedia
circle — 1. [TA] In anatomy, a ring shaped structure or group of structures, as formed by anastomosing arteries or veins, or by connected (communicating) nerves, 2. A line or process with every point approximately equidistant from the center. SYN:… … Medical dictionary
focus — /ˈfoʊkəs / (say fohkuhs) noun (plural focuses or foci /ˈfoʊkaɪ/ (say fohkuy), /ˈfoʊki/ (say fohkee), /ˈfoʊsaɪ/ (say fohsuy)) 1. Physics a point at which rays of light, heat, or other radiation, meet after being refracted or reflected. 2. Optics …
Principle of virtual velocities — Virtual Vir tu*al (?; 135), a. [Cf. F. virtuel. See {Virtue}.] 1. Having the power of acting or of invisible efficacy without the agency of the material or sensible part; potential; energizing. [1913 Webster] Heat and cold have a virtual… … The Collaborative International Dictionary of English
