| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024octa-, prefix. - octa- comes from Greek, where it has the meaning "eight'':octa- + -gon → octagon (= eight-sided figure).
WordReference Random House Unabridged Dictionary of American English © 2024octa-, - a combining form occurring in loanwords from Greek and Latin, where it meant "eight'' (octagon;
octastyle), on this model, used in the formation of compound words, and in chemical terms specialized to mean "having eight atoms'' (octavalent). Also, oct-, octo-. - Greek okta-, combining form of októ̄ eight
Collins Concise English Dictionary © HarperCollins Publishers:: octa- combining form - a variant of octo-
WordReference Random House Unabridged Dictionary of American English © 2024octo-, - var. of octa-: octosyllabic.
Collins Concise English Dictionary © HarperCollins Publishers:: octo-, octa-, (before a vowel)oct- combining form - eight: octosyllabic, octagon
Etymology: from Latin octo, Greek okto |