ultraviolet light
61ultraviolet — /ul treuh vuy euh lit/, adj. 1. beyond the violet in the spectrum, corresponding to light having wavelengths shorter than 4000 angstrom units. 2. pertaining to, producing, or utilizing light having such wavelengths: an ultraviolet lamp. Cf.… …
62ultraviolet — ul•tra•vi•o•let [[t]ˌʌl trəˈvaɪ ə lɪt[/t]] adj. 1) phs pertaining to electromagnetic radiation having wavelengths in the range of approximately 5–400 nm, shorter than visible light but longer than x rays 2) phs pertaining to, producing, or using… …
63Ultraviolet divergence — In physics, an ultraviolet divergence is a situation in which an integral, for example a Feynman diagram, diverges because of contributions of objects with very high energy (approaching infinity), or, equivalently, because of physical phenomena… …
64light — I (New American Roget s College Thesaurus) I adj. airy (see levity); frivolous, jesting, jocular, lightsome; giddy, dizzy, flighty; wanton; nimble, agile; flippant, pert, insouciant; humorous; trivial. See cheerfulness, unimportance, impurity,… …
65light — I [[t]laɪt[/t]] n. adj. light•er, light•est, 1) something that makes things visible or affords illumination: All colors depend on light[/ex] 2) phs a) electromagnetic radiation to which the organs of sight react, ranging in wavelength from about… …
66light — I. /laɪt / (say luyt) noun 1. that which makes things visible, or affords illumination: all colours depend on light. 2. Physics a. Also, luminous energy, radiant energy. electromagnetic radiation to which the organs of sight react, ranging in… …
67ultraviolet — Denoting electromagnetic rays at higher frequency than the violet end of the visible spectrum. u. A (UVA) u. radiation from 320 to 400 nm that causes skin tanning but is very weakly sunburn producing and carcinogenic. u. B (UVB) u. radiation from …
68Light Amplification by Stimulated Emission of Radiation — Laser Pour les articles homonymes, voir Laser (homonymie). Rayon laser à travers un dispositif optique …
69ultraviolet — adjective Date: 1840 1. situated beyond the visible spectrum at its violet end used of radiation having a wavelength shorter than wavelengths of visible light and longer than those of X rays 2. relating to, producing, or employing ultraviolet… …
70ultraviolet spectrum — noun the spectrum of ultraviolet radiation (Freq. 2) • Hypernyms: ↑spectrum • Part Holonyms: ↑electromagnetic spectrum * * * noun : a spectrum of ultraviolet radiation characterized by short wavelengths and high quantum energies as compared to… …
