photochemical
(adjective) of or relating to or produced by the effects of light on chemical systems
Source: WordNet® 3.1
photochemical (not comparable)
(chemistry) of, relating to, or produced by photochemistry or by photochemical reactions
Source: Wiktionary
Pho`to*chem"ic*al, a. Etym: [Photo- + chemical.] (Chem.)
Definition: Of or pertaining to chemical action of light, or produced by it; as, the photochemical changes of the visual purple of the retina.
Source: Webster’s Unabridged Dictionary 1913 Edition
20 January 2025
(noun) either of the first pair of fang-like appendages near the mouth of an arachnid; often modified for grasping and piercing
According to Guinness World Records, on 25 September 2016, the Birla Institute of Management Technology (India) in Uttar Pradesh, India, constructed the largest coffee cups pyramid consisting of 23,821 cups. They used paper takeaway coffee cups to build the pyramid.
