actinic ray — actin′ic ray′ n. phs a ray of light of short wavelengths, as ultraviolet or violet, that produces photochemical effects • Etymology: 1835–45 … From formal English to slang
actinic ray — /ækˌtɪnɪk ˈreɪ/ (say ak.tinik ray) noun a ray of electromagnetic radiation, such as ultraviolet radiation, able to cause chemical changes in exposed materials …
actinic ray — Physics. a ray of light of short wavelengths, as ultraviolet or violet, that produces photochemical effects. [1835 45] * * * … Universalium
actinic ray ophthalmia — actinic conjunctivitis … Medical dictionary
Actinic conjunctivitis — is an eye condition contracted from prolonged exposure to Actinic (ultraviolet) rays. Symptoms are redness and swelling of the eyes. Most often the condition is caused by prolonged exposure to Klieg lights, therapeutic lamps, and acetylene… … Wikipedia
actinic conjunctivitis — conjunctivitis produced by ultraviolet rays (actinic rays), such as that of Klieg lights, therapeutic lamps, or acetylene torches. Called also arc flash or welder s c., flash keratoconjunctivitis, and actinic ray, electric, flash, or ultraviolet… … Medical dictionary
ray — Synonyms and related words: Reptilia, X ray, actinic ray, actinism, amplitude, antinode, atom, atomic beam, atomic ray, beam, beam of light, crest, de Broglie wave, diffraction, diffuse, diffusion, disperse, dispersion, drop, electromagnetic… … Moby Thesaurus
actinic radiation — noun electromagnetic radiation that can produce photochemical reactions • Syn: ↑actinic ray • Hypernyms: ↑electromagnetic radiation, ↑electromagnetic wave, ↑nonparticulate radiation • Hyponyms: ↑ … Useful english dictionary
ray — 1. A beam of light, heat, or other form of radiation. The rays from radium and other radioactive substances are produced by a spontaneous disintegration of the atom; they are electrically charged particles or electromagnetic waves of extremely… … Medical dictionary
actinic — Relating to the chemically active rays of the electromagnetic spectrum. [G. aktis (aktin ), a ray] * * * ac·tin·ic ak tin ik adj of, relating to, resulting from, or exhibiting chemical changes produced by radiant energy esp. in the visible and… … Medical dictionary
