photoinactivation pho·to·in·ac·ti·va·tion (fō’tō-ĭn-āk’tə-vā’shən)
Inactivation, as of a substance, by light.
[foh-toh-in-doost, -dyoost] /ˌfoʊ toʊ ɪnˈdust, -ˈdyust/ adjective 1. by light.
[foh-toh-ahy-uh-nuh-zey-shuh n] /ˌfoʊ toʊˌaɪ ə nəˈzeɪ ʃən/ noun, Physics. 1. the phenomenon in which the absorption of electromagnetic radiation by an atom in a gas induces the atom to emit a bound electron and thereby become ionized.
[foh-toh-ahy-som-er-uh-zey-shuh n] /ˌfoʊ toʊ aɪˌsɒm ər əˈzeɪ ʃən/ noun, Chemistry. 1. isomerization induced by light.
[foh-toh-jur-nl-iz-uh m] /ˌfoʊ toʊˈdʒɜr nlˌɪz əm/ noun 1. in which photography dominates written copy, as in certain magazines. 2. news photography, whether or not for primarily pictorial media, publications, or stories. /ˌfəʊtəʊˈdʒɜːnəˌlɪzəm/ noun 1. journalism in which photographs are the predominant feature n. 1944, from photo- + journalism. Related: Photojournalist.