absorptance

英 [əb'sɔːptəns] 美 [əb'sɔːptəns]

• n. 吸收比(吸收性；吸收系数)

英英释义

Noun:

1. 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"
   

词汇搭配

• spectral absorptance 光谱吸收系数,光谱吸...
• radiant absorptance 辐射吸收系数...
• screen absorptance 屏蔽吸收系数,屏幕吸...

近反义词

【近义词】

• coefficient of absorption 吸收系数,吸附系数...
• absorption coefficient 吸收系数