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Từ điển Oxford Learners Wordfinder Dictionary
absorption coefficient
a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance;
the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber
- absorptance equals 1 minus transmittance
• Syn:
coefficient of absorption, absorptance
• Hypernyms:
coefficient
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