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English definition of “covalent bond”

covalent bond

noun [C]     /kəʊˌveɪ.ləntˈbɒnd/ US  /koʊˌveɪ.ləntˈbɑːnd/ specialized
a chemical bond in which two atoms share one or more pairs of electrons that hold them togetherCells
(Definition of covalent bond noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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