| 单词 | ad- |
| 释义 | Definition of ad- in English:ad-prefixədad
UsageAd- is also found assimilated in the following forms: a- before sc, sp, st; ac- before c, k, q; af- before f; ag- before g; al- before l; an- before n; ap- before p; ar- before r; as- before s; at- before t OriginFrom Latin ad 'to'; in the 16th century the use of ad- and its variants was extended to replace a- from a different origin such as Latin ab- (e.g. advance, from French avancer based on late Latin abante 'in front'). Definition of ad- in US English:ad-prefix
UsageThe prefix ad- is also found assimilated in the following forms: a- before sc, sp (ascend, aspire); ac- before c, q (accede, acquire); af- before f (affiliate); ag- before g (aggregate); al- before l (allude); an- before n (annex); ap- before p (appall); ar- before r (arrest); as- before s (assume); at- before t (attend) OriginFrom Latin ad ‘to’; in the 16th century the use of ad- and its variants was extended to replace a- from a different origin such as Latin ab- (e.g. advance, from French avancer based on late Latin abante ‘in front’). |
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