Medical Dictionary

actinic rays

noun pl

Medical Definition of ACTINIC RAYS

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

Browse

July 07, 2015
hoosegow Hear it
jail
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears