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tri |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Tri- \Tri-\ [Gr. tri- or L. tri-, sometimes through French; akin to L. tres three and E. three See {Three}.] 1. A prefix meaning three thrice, threefold; as in tricolored, tridentate. 2. (Chem.) A prefix (also used adjectively) denoting three proportional or combining part or the third degree of that to the name of which it is prefixed; as in trisulphide, trioxide, trichloride.
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