The Collaborative International Dictionary
Photochemical \Pho`to*chem"ic*al\, a. [Photo- + chemical.] (Chem.) Of or pertaining to chemical action of light, or produced by it; as, the photochemical changes of the visual purple of the retina.
Wiktionary
a. (context chemistry English) of, relating to, or produced by photochemistry or by photochemical reactions
WordNet
adj. of or relating to or produced by the effects of light on chemical systems
Usage examples of "photochemical".
According to project directors Bradley McAfee and Lynn Saunders, nonutilizable hydrocarbonaceous substances will be propulsively transferred to stratospheric altitudinal locations, where photochemical decomposition will result in triatomic allotropism and formation of benign bicarbonaceous precipitates.
Considering the time of year it was and the expectable atmospheric conditions, the day was mysteriously, even miraculously, bright and clear: atmospheric photochemical intensity way down, fog ditto, and patches of blue skyalmost blue, anywayshowing through behind the inescapable striped layerings of vividly colored greenhouse goop and the usual baleful white backdrop.
They left the studio and settled on a sort of divan before a long low window in one of her front rooms, and sat looking out at a sunset of stunning photochemical complexity, an astounding apocalyptic Wagnerian thing: enormous bold jagged streaks of scarlet and gold and green and violet and turquoise warring frantically with each other for possession of the sky above San Francisco.
The individual particles were extremely small, subject to damage from cosmic rays, photochemical decay, dehydration of their protein chains, and other environmental factors.
When Rathere swam through these luminescent microorganisms, the shockwaves of her passage catalyzed their photochemical reactions, a universe of swirling galaxies ignited by every stroke.
Titan were tinged with orange, the result of a complex photochemical reaction in the upper atmosphere.
And, with the dead fremden lying about her and their stupid railgun blown to pieces, Dory stood on top of the apartment building against the red photochemical smog of Titan as the Met forces subjugated the rest of Laketown.
Titan, the second largest moon in the solar system, has a thick atmosphere that manifests as a reddish brown photochemical haze.
Thesethen undergo photochemical reactions in the lower atmosphere and yieldthe highly toxic gas ozone inthe presence of sunlight.
They used a thing called a cine camera, which captured images on a photochemical medium.
From 1855 to 1863 he published with Roscoe a series of investigations on photochemical measurements, which W.
The photochemical reaction of light on his skin literally bums holes in him-he has a number of lesions.
The magic of ultraviolet radiation, photochemical reactions, photochemical smog: it magically cracks rubber.
The snow had given way to an oily mist that was the product of very complex photochemical reactions in Titan’.
Weve changed the photochemical reactions of our own atmosphere, and we cant adapt to the new radiations fast enough to survive!