fraction

/'frækʃәn/

柯林斯星级

BNC频率: 3509

现代语料频率: 4719

n. 小部分, 破片, 分数

[医] 部分, 成分, 分散

the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber

(physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body

n (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia

Produced by the refraction of light, as seen through water

That part of optics which treats of the refraction of light

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