quad·ri·va·lent /ˌkwɑdrəˈvelənt, ||kwɑˈdrɪvələnt/
(a.)四價的
quad·ri·va·lent =/ˌkwɑdrəˈvelənt, <ɪ>ɪn sɛnsɛ 2ɪ> kwɑˈdrɪvələnt/= 形容詞
四價體,四價的
Quad·riv·a·lent a. Chem. Having a valence of four; capable of combining with, being replaced by, or compared with, four monad atoms; tetravalent; -- said of certain atoms and radicals; thus, carbon and silicon are quadrivalent elements.
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