ABSORPTION COEFFICIENT
\ɐbsˈɔːpʃən kˌə͡ʊɪfˈɪʃənt], \ɐbsˈɔːpʃən kˌəʊɪfˈɪʃənt], \ɐ_b_s_ˈɔː_p_ʃ_ə_n k_ˌəʊ_ɪ_f_ˈɪ_ʃ_ə_n_t]\
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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"
By Princeton University
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A term used to indicate the amount of gas absorbed by a definite volume (1 cc.) of liquid (water) at a given temperature and barometric pressure, a. lines. Narrow bands on lines in spectrum when light is absorbed after passing through certain liquids or vapors.
By Smith Ely Jelliffe
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.