• synonyms

actinic ray

See more synonyms for actinic ray on Thesaurus.com
noun Physics.
  1. a ray of light of short wavelengths, as ultraviolet or violet, that produces photochemical effects.
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Origin of actinic ray

First recorded in 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018