英语词汇“penumbra”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

penumbra

释义

penumbra /pe-numˈbrə/

noun

A partial or lighter shadow round the perfect or darker shadow produced by an eclipse or by a large unfocused light source shining on an opaque object
The less dark border of a sunspot or any similar spot
The part of a picture where the light and shade blend into each other

ORIGIN: L paene almost, and umbra shade

penumˈbral adjective

penumˈbrous adjective

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