English

hypoattenuation

From hypo- + attenuation.

Proto-Indo-European *upó ‘under, below’

Ancient Greek ὑπό ‘under’

English hypo-

Latin attenuātiō ‘a diminishing’

Middle English attenuacioun

Today it means

noun Less than normal attenuation (in medical imaging).

Language periods are conventional ranges, not dates for this word.

Etymograph / hypoattenuation