actinic

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actinic

[‚ak′tin·ik]
(physics)
Pertaining to electromagnetic radiation capable of initiating photochemical reactions, as in photography or the fading of pigments.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

actinic

Pertaining to shortwave electromagnetic radiation capable of initiating photochemical reactions, as in photography or the fading of pigments. Because of the particularly strong action of ultraviolet radiation on photochemical processes, the term has come to be almost synonymous with ultraviolet, as in actinic rays.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
The majority of squamous cell carcinoma is actinically induced on sun-exposed areas.
Anti-MART1 or HMB-45 will label the atypical melanocytes of lentigo maligna (melanoma in situ) in the epidermis, highlighting a confluent pattern, in contrast to the scattered, atypical melanocytes that can be seen in actinically damaged skin/pigmented actinic keratosis.