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covalence

[koh-vey-luh ns]
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noun Chemistry.
  1. the number of electron pairs that an atom can share with other atoms.
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Origin of covalence

First recorded in 1915–20; co- + valence
Related formsco·va·lent, adjectiveco·va·lent·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018