luminary

luminary
[ˈluːmɪn(ə)ri]
(pl. -ies)
  1. a person who inspires or influences others, especially one prominent in a particular sphere
    杰出人物,泰斗;才智出众的人
    one of the luminaries of child psychiatry.
    一位儿童精神病学的专家。
  2. an artificial light
    人造光源
    ■(poetic/literary)a natural light-giving body, especially the sun or moon
    (诗/文)发光天体(尤指太阳、 月亮)
语源
  1. late Middle English: from Old French luminarie or late Latin luminarium, from Latin lumen, lumin- 'light'
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