= tetravalence n. at tetravalent, adj. derivatives.
| 单词 | θ67455 |
| 释义 | the world > matter > chemistry > valency > [noun] > valency of four > quality of being quadrivalent (3) quadrivalence1869 = tetravalence n. at tetravalent, adj. derivatives. tetravalence1887 the quality or fact of being tetravalent; quadrivalence. tetravalency1913 |
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