| absorptivity | Synonym: specific absorption coefficient, molar absorption coefficient. (05 Mar 2000) |
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| molar absorptivity | Absorbance (of light) per unit path length (usually the centimeter) and per unit of concentration (moles per liter); a fundamental unit in spectrophotometry. Synonym: absorbancy index, absorptivity, molar absorbancy index, molar absorptivity, molar extinction coefficient. (05 Mar 2000) |
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