the fact of being primary, pre-eminent, or more important 卓越;首位,首要 London's primacy as a financial centre. 伦敦作为金融中心的卓越地位。
the office, period of office, or authority of a primate of the Church 首主教(或都主教,大主教)的职位(或任期、权力)
[usu. as modifier](Psychology)the fact of an item having been presented earlier to the subject (especially as increasing its likelihood of being remembered) (心理)首因;首位 the primacy effect is thought to reflect recall from a long-term memory store. 首因效应被认为能反映长期记忆库中的记忆。
语源
late Middle English: from Old French primatie, from medieval Latin primatia, from Latin primas, primat- 'of the first rank' (see primate)