Usually means: Chemical effects of light radiation.
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We found 23 dictionaries that define the word actinism:

General (19 matching dictionaries)
  1. actinism: Oxford Learner's Dictionaries
  2. actinism: American Heritage Dictionary of the English Language
  3. actinism: Collins English Dictionary
  4. actinism: Vocabulary.com
  5. actinism: Wordnik
  6. actinism: Wiktionary
  7. actinism: Webster's New World College Dictionary, 4th Ed.
  8. actinism: The Wordsmyth English Dictionary-Thesaurus
  9. actinism: Infoplease Dictionary
  10. actinism: Dictionary.com
  11. Actinism: Wikipedia, the Free Encyclopedia
  12. Actinism: Online Plain Text English Dictionary
  13. actinism: Webster's Revised Unabridged, 1913 Edition
  14. actinism: Rhymezone
  15. Actinism: AllWords.com Multi-Lingual Dictionary
  16. actinism: FreeDictionary.org
  17. actinism: The Phrontistery - A Dictionary of Obscure Words
  18. actinism: Mnemonic Dictionary
  19. actinism: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. actinism: Encyclopedia

Medicine (3 matching dictionaries)
  1. actinism: Merriam-Webster Medical Dictionary
  2. online medical dictionary (No longer online)
  3. actinism: Medical dictionary

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Definitions from Wiktionary (actinism)

▸ noun:  (chemistry, physics) That property of electromagnetic radiation that leads to the production of photochemical effects

Similar:
photoelectroactivity, actinoelectricity, actinometry, photoeffect, photoabsorption, photoconductivity, photoresponse, photorecombination, photoconductance, photomagnetization, more...

Types:
solar, ultraviolet, infrared, visible, more...

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Similar:
photoelectroactivity, actinoelectricity, actinometry, photoeffect, photoabsorption, photoconductivity, photoresponse, photorecombination, photoconductance, photomagnetization, more...

Types:
solar, ultraviolet, infrared, visible, more...



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