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atˌtenuˈation

British  
/ əˌtɛnjʊˈeɪʃən /

noun

  1. the act of attenuating or the state of being attenuated

  2. the loss of energy suffered by radiation as it passes through matter, esp as a result of absorption or scattering

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.