- divergent rays
- rays coming from a source nearer than infinity, or a pencil or bundle of light rays directed away from a focus after passing through a concave lens or after being reflected from a convex mirror.
Medical dictionary. 2011.
divergent rays
Look at other dictionaries:
Divergent — Di*ver gent, a. [Cf. F. divergent. See {Diverge}.] 1. Receding farther and farther from each other, as lines radiating from one point; deviating gradually from a given direction; opposed to {convergent}. [1913 Webster] 2. (Optics) Causing… … The Collaborative International Dictionary of English
Divergent series — Divergent Di*ver gent, a. [Cf. F. divergent. See {Diverge}.] 1. Receding farther and farther from each other, as lines radiating from one point; deviating gradually from a given direction; opposed to {convergent}. [1913 Webster] 2. (Optics)… … The Collaborative International Dictionary of English
divergent — adjective Etymology: Latin divergent , divergens, present participle of divergere Date: 1696 1. a. diverging from each other < divergent paths > b. differing from each other or from a standard < the divergent interests of … New Collegiate Dictionary
parallel rays — rays that come from a source at an infinite distance; divergent rays may be made parallel by means of a convex lens or a concave mirror … Medical dictionary
divergent lens — lens that changes the course of rays of light … English contemporary dictionary
focus — 1. (F) The point at which the light rays meet after passing through a convex lens. 2. The center, or the starting point, of a disease process. [L. a hearth] conjugate foci two points so related to a lens or … Medical dictionary
X-ray spectroscopy — is a gathering name for several spectroscopic techniques for determining the electronic structure of materials by using x ray excitation. X ray emission spectroscopy Karl Manne Georg Siegbahn from Uppsala, Sweden (Nobel Prize 1924), who… … Wikipedia
virtual focus — n a point from which divergent rays (as of light) seem to emanate but do not actually do so (as in the image of a point source seen in a plane mirror) * * * the point at which divergent rays would intersect if prolonged backward … Medical dictionary
image — 1. Representation of an object made by the rays of light emanating or reflected from it. 2. Representation produced by x rays, ultrasound, tomography, thermography, radioisotopes, etc. 3. To produce such representations. [L. imago, likeness]… … Medical dictionary
radiate — v. & adj. v. 1 intr. a emit rays of light, heat, or other electromagnetic waves. b (of light or heat) be emitted in rays. 2 tr. emit (light, heat, or sound) from a centre. 3 tr. transmit or demonstrate (life, love, joy, etc.) (radiates happiness) … Useful english dictionary
