Last Updated:2025/11/20

(physics) A measure of the absorption of electromagnetic radiation as it passes through a specific substance; the fraction of incident radiation absorbed by unit mass or unit thickness; absorptivity.

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absorption coefficient

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absorption coefficient

Noun
Japanese Meaning
吸収係数:物質を透過する電磁放射が、その物質内でどの程度吸収されるかを示す物理量。具体的には、単位質量または単位厚さあたりに吸収される放射エネルギーの割合を表し、吸収率とも呼ばれる。
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