(actinic)
21actinic balance — Bolometer Bo*lom e*ter, n. [Gr. ? a stroke, ray + meter.] (Physics) An instrument for measuring minute quantities of radiant heat, especially in different parts of the spectrum; called also {actinic balance}, {thermic balance}. S. P. Langley.… …
22Actinic keratosis — A small rough spot on skin chronically exposed to the sun, precancerous, can develop into a skin cancer called squamous cell carcinoma, a process that typically takes years. Actinic keratoses occur most frequently in fair skinned people. Common… …
23actinic prurigo — prurigo aestivalis a papular type of idiopathic photodermatosis that is a delayed reaction to exposure to sunlight, similar to polymorphous light eruption. It is more common in children and in summer months, and sometimes improving or resolving… …
24actinic reticuloid — chronic actinic dermatitis …
25actinic retinitis — inflammation of the retina due to exposure to actinic light rays …
26actinic reticuloid syndrome — chronic actinic dermatitis …
27actinic radiation — noun electromagnetic radiation that can produce photochemical reactions • Syn: ↑actinic ray • Hypernyms: ↑electromagnetic radiation, ↑electromagnetic wave, ↑nonparticulate radiation • Hyponyms: ↑ …
28actinic ray — noun electromagnetic radiation that can produce photochemical reactions • Syn: ↑actinic radiation • Hypernyms: ↑electromagnetic radiation, ↑electromagnetic wave, ↑nonparticulate radiation • Hyponyms: ↑ …
29actinic — a type of lighting used in aquaria. It provides the blue end of the spectrum for photosynthesis …
30actinic — adj. [Gr. aktis, ray] Pertaining to wave lengths between those of visible violet and X rays, having certain chemical effects …
