Medical Dictionary

half-value layer


half–value layer

noun half–val·ue layer \-ˈval-(ˌ)yü-, -ˈval-yə-\

Definition of HALF-VALUE LAYER

:  the thickness of an absorbing substance necessary to reduce by one half the initial intensity of the radiation passing through it
March 06, 2015
eolian Hear it
Deposited, produced, or eroded by wind
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