ENGLISH DICTIONARY

Actinic

Definition, Meaning & Examples

Pronunciation /ækˈtɪn ɪk/ · Part of speech adjective

Quick meaning: Actinic is an adjective meaning Related to radiation; used most often in reference to light, especially in the ultraviolet range.

Meaning

Related to radiation; used most often in reference to light, especially in the ultraviolet range.

More Meanings

  1. (by extension) Harsh and bright, especially blindingly so.
  2. (medicine) Caused by extensive exposure to ultraviolet light.
  3. Composed of actin.
  4. (chemistry, photography) Of or relating to actinism, the range of photochemical effects produced by exposure to electromagnetic radiation, particularly sunlight.

Example Sentences

He bounded over cresting waves that shone in the actinic glare.
In medicine, actinic keratoses usually occur in sundamaged skin and exhibit hyperkeratosis.
It should be borne in mind that the actinic power of the sun is subject to considerable variations, due to its elevation above the horizon.
I got my picture, and it turned out quite a good one, despite the rather poor light which at that time of day, 7 p.m., was lacking in actinic value.

Related Words

Related dictionary entries include elastosis, keratosis, prurigo, porokeratosis, cheilitis, keratoses.

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Sources & Attribution

FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0

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