photoactivation
[ foh-toh-ak-tuh-vey-shuh n ]
/ ˌfoʊ toʊˌæk təˈveɪ ʃən /
noun Chemistry.
the activation or control of a chemical, chemical reaction, or organism by light, as the activation of chlorophyll by sunlight during photosynthesis.
Origin of photoactivation
1920–25;
photo- +
activation
OTHER WORDS FROM photoactivation
pho·to·ac·tive, adjective pho·to·ac·tiv·i·ty, nounWords nearby photoactivation
photo-mount,
photo-offset,
photo-patch test,
photo-secession,
photoactinic,
photoactivation,
photoactive,
photoaging,
photoallergic,
photoanalyst,
photoautotroph
British Dictionary definitions for photoactive
photoactive
/ (ˌfəʊtəʊˈæktɪv) /
adjective
(of a substance) capable of responding to light or other electromagnetic radiation