Dilate



GRE 蓝宝 Barron TOEFL

解释

GRE 红宝书

• v. ( 身体某部位) 张大, 扩大
• ［英］ v. ( 身体某部位) 张大, 扩大 ( swell; expand)
• ［类］ 反义词: constrict ( 压缩) ; narrow ( 变窄)
• ［记］ di+late ( 放) -> 放开 -> 扩大; 注意不要和dilute ( 冲淡、稀释) 相混;
• ［同］ adj. dilatable / dilative

Webster Collegiate

verb (dilated; dilating)

• Etymology: Middle English, from Middle French dilater, from Latin dilatare, literally, to spread wide, from dis- + latus wide — more at latitude
• Date: 14th century
• transitive verb
  • 1. archaic to describe or set forth at length or in detail
  • 2. to enlarge or expand in bulk or extent ; distend, widen
• intransitive verb
  • 1. to comment at length ; discourse — usually used with on or upon
  • 2. to become wide ; swell <the pupil of the eye dilates and contracts>
• Synonyms: see expand
• ? dilatability noun
• ? dilatable adjective
• ? dilator noun

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