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The Collaborative International Dictionary of English v.0.48 (gcide)

backdate \back"date\ v. t.
1. to make effective from an earlier date; to make
retroactive. The increase in tax was backdated to January.

Syn: back-date
[WordNet 1.5]

2. to affix a date earlier than the present date; --
sometimes done for fraudulent purposes. Opposite of
{postdate}.

Syn: back-date; predate; antedate.
[PJC]

Note: Backdate is sometimes used incorrectly for postdate.

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backdate	查看　backdate　在百度字典中的解释	百度英翻中〔查看〕
backdate	查看　backdate　在Google字典中的解释	Google英翻中〔查看〕
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