actinic

[ ak-tin-ik ]
See synonyms for actinic on Thesaurus.com
adjective
  1. pertaining to actinism.

Origin of actinic

1
First recorded in 1835–45; actin- + -ic

Other words from actinic

  • ac·tin·i·cal·ly, adverb
  • non·ac·tin·ic, adjective
  • non·ac·tin·i·cal·ly, adverb
  • un·ac·tin·ic, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for actinic

actinic

/ (ækˈtɪnɪk) /


adjective
  1. (of radiation) producing a photochemical effect

Origin of actinic

1
C19: from actino- + -ic

Derived forms of actinic

  • actinically, adverb
  • actinism, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012