Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

actinic rays

noun plural

Medical Definition of actinic rays

  1. :  radiation (as in the violet and ultraviolet parts of the spectrum) having marked photochemical action




Seen and Heard

What made you want to look up actinic rays? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

the range of perception or understanding

Get Word of the Day daily email!