| 单词 | covalency |
| 释义 | covalency /kō-vāˈlən-si/nounThe union of two or more atoms by the sharing of one or more pairs of electrons (cf electrovalency) ORIGIN: L co- together, and valency covāˈlent adjective covāˈlently adverb covalent bond noun A chemical bond involving the sharing of a pair of electrons by two atoms |
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