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单词 tri
释义

WordReference Random House Learner's Dictionary of American English © 2024
tri-, prefix. 
  1. tri- comes from Greek and Latin, where it has the meaning "three'':triatomic; trilateral.

WordReference Random House Unabridged Dictionary of American English © 2024
tri-, 
  1. a combining form meaning "three,'' used in the formation of compound words:triacid; triatomic.
  • Latin, combining form representing Latin trēs, tria, Greek treîs, tría three
  • Middle English

Collins Concise English Dictionary © HarperCollins Publishers::
tri- prefix
  1. three or thrice: triaxial, trigon, trisect
  2. occurring every three: trimonthly
Etymology: from Latin trēs, Greek treis
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更新时间:2025/7/23 10:02:52