Medical Definition of Half-value layer

1. The thickness of a specified material (usually a specific absorber), which attenuates a beam of radiation so that the exposure rate or absorbed dose rate at a specified point is reduced by half. (20 Sep 2002)

Lexicographical Neighbors of Half-value Layer

half-term
half-tetrad analysis
half-timber
half-timbered
half-timbering
half-time
half-title
half-track
half-tracked
half-tracker
half-tracks
half-truth
half-truths
half-uncle
half-uncles
half-value layer (current term)
half-volley
half-width
half-widths
half-wit
half-wits
half-witted
half-yearly
half a dozen
half a mind
half adder
half amplitude pulse duration
half and half
half and half nail

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