coefficient vs absorptance

absorptance vs coefficient

coefficient and absorptance both are nouns.

Word	Noun	Adjective	Verb	Adverb
coefficient	Yes	No	No	No
absorptance	Yes	No	No	No

As nouns, absorptance is a hyponym of coefficient; that is, absorptance is a word with a more specific, narrower meaning than coefficient:

coefficient: a constant number that serves as a measure of some property or characteristic
absorptance: 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

Other hyponyms of coefficient include absorption coefficient, coefficient of absorption, coefficient of drag, drag coefficient, coefficient of friction, coefficient of mutual induction, mutual inductance, coefficient of self induction, self-inductance, modulus, coefficient of expansion, expansivity, coefficient of reflection, reflectance, reflection factor, reflectivity, transmission, transmittance, absolute viscosity, coefficient of viscosity, dynamic viscosity, weight, weighting.

coefficient (noun)	absorptance (noun)
a constant number that serves as a measure of some property or characteristic	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

Difference between coefficient and absorptance

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