| 单词 | quadrivalent |
| 释义 | quadrivalent —quadrivalence, quadrivalency, n. —quadrivalently, adv. /kwod'reuh vay"leuhnt, kwo driv"euh-/, adj. Chem. 1. having a valence of four; tetravalent. 2. exhibiting four different valences, as antimony with valences of 5, 4, 3, and -3. [1860-65; QUADRI- + -VALENT] |
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