(actinic)
41actinic — The chemical change violet or ultraviolet light produces in certain photosensitive film …
42actinic — adjective relating to or exhibiting actinism • Pertains to noun: ↑actinism • Derivationally related forms: ↑actinism …
43actinic keratosis — Thickened area of skin as a result of excessive exposure to sunlight particularly common in those with very fair skin …
44actinic ray — Physics. a ray of light of short wavelengths, as ultraviolet or violet, that produces photochemical effects. [1835 45] * * * …
45actinic keratosis — noun A lesion on the skin, typically on the upper portion of the head, characterized by discolored, thickened or scaly growths of keratin, caused by exposure to the sun; common in fair complected people of a certain age. They are precancerous …
46Actinic density — Копировальная плотность при актиничном освещении …
47Actinic effect — Актиничность (света) …
48Actinic light — Актиничный свет …
49Actinic opacity — Эффективная оптическая плотность (относительно излучений определённого спектрального интервала) …
50Actinic photometer — Актинометр …