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单词 actino-
释义

WordReference Random House Unabridged Dictionary of American English © 2024
actino-, 
  1. Physicsa combining form with the meaning "ray, beam,'' used in the formation of compound words, with the particular senses "radiation'' in the physical sciences (actinometer) and "having raylike structures,'' "radiate in form'' in biology (actinomyces;
    actinopod    ).
Also,[esp. before a vowel,] actin-. 
  • Greek, combining form representing aktí̄s (genitive aktînos) ray, beam; see -o-

Collins Concise English Dictionary © HarperCollins Publishers::
actino-, (before a vowel)actin- combining form
  1. indicating a radial structure: actinomorphic
  2. indicating radioactivity or radiation: actinometer
Etymology: from Greek aktino-, from aktis beam, ray
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更新时间：2025/8/1 4:21:24