- actinic rays n pl radiation (as in the violet and ultraviolet parts of the spectrum) having marked photochemical action
* * *light rays that produce chemical changes. In general, light rays have more of this property the farther they are from the center of the visible spectrum, so that infrared, red, violet, and ultraviolet are the most actinic.
Medical dictionary. 2011.
Look at other dictionaries:
actinic rays — actinic rays, rays of radiant energy, especially from the sun, that produce chemical change. Actinic rays are important in photography. They include green, blue, violet, and ultraviolet rays, X rays, gamma rays, and infrared radiation … Useful english dictionary
actinic rays — n. light rays, esp. the violet and ultraviolet parts of the spectrum, that produce chemical changes, as in photography * * * … Universalium
actinic rays — n. light rays, esp. the violet and ultraviolet parts of the spectrum, that produce chemical changes, as in photography … English World dictionary
ACTINIC RAYS — non luminous rays of higher frequency than the luminous rays … The Nuttall Encyclopaedia
Actinic rays — Актиничное излучение … Краткий толковый словарь по полиграфии
actinic rays — electromagnetic radiation (waves composed of undulating electrical fields and magnetic fields) … English contemporary dictionary
Actinic — Ac*tin ic, a. Of or pertaining to actinism; as, actinic rays. [1913 Webster] … The Collaborative International Dictionary of English
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
actinic — Pertaining to shortwave electromagnetic radiation capable of initiating photochemical reactions, as in photography or the fading of pigments. Because of the particularly strong action of ultra violet radiation on photochemical processes, the term … Aviation 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