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actinic ray
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noun Physics.
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
Words nearby actinic ray
acting, acting area, actinia, actinian, actinic, actinic ray, actinide, actinide series, actiniform, actinin, actinism
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use actinic ray in a sentence
An actinic ray from the lantern striking the plate will fog it.
And I am not sure but that sympathy is love's own self, vitalized mayhap by some divine actinic ray.
Little Journeys to the Homes of the Great, Vol. 2 of 14|Elbert HubbardThe question is, then, what teaching concern in America supplies the best quality of actinic ray?
Little Journeys To The Homes Of Great Teachers|Elbert HubbardElusive, delicate, alluring—it is the actinic ray that imparts vitality.
Little Journeys to the Homes of the Great, Vol. 1 of 14|Elbert Hubbard