| 单词 | absorptance |
| 释义 | absorptance /ab sawrp"teuhns, -zawrp"-/, n. Physics, Optics. the ratio of the amount of radiation absorbed by a surface to the amount of radiation incident upon it. Cf. reflectance, transmittance (def. 2). [1930-35; trans. of G Absorptionsvermögen. See ABSORPTION, -ANCE] |
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