actinic

English dictionary entry

Meanings

adj
  1. Related to radiation; used most often in reference to light, especially in the ultraviolet range.
  2. Harsh and bright, especially blindingly so.
  3. Caused by extensive exposure to ultraviolet light.
  4. Of or relating to actinism, the range of photochemical effects produced by exposure to electromagnetic radiation, particularly sunlight.
  5. Composed of actin.

Pronunciation

/ækˈtɪn ɪk/ LL-Q1860 (eng)-Vealhurl-actinic.wav

Word forms

actinic

Etymology

From Ancient Greek ἀκτίς, ἀκτῖν- (aktís, aktîn-, “ray”) + -ic.

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