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blueshift · Learn English

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blueshift

Wiktionary 原文

/ˈbluːˌʃɪft/

构词拆解

blue

词干

shift

词干

词源说明

From blue +‎ shift.

释义

名词noun

1(physics: astronomy, relativity) A decrease in the wavelength of a photon or of light while in transit, corresponding to a higher frequency and a shift toward the blue end of the electromagnetic spectrum.

动词verb

1(

:

,

) (ergative) (said of

or a

) To shift toward the

end of the

electromagnetic spectrum

while in transit; to change to a shorter

and a higher

.

同族词

派生词 1

blueshifted