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covalent bond

   Also found in: Dictionary/thesaurus, Legal, Financial, Encyclopedia, Wikipedia, Hutchinson 0.09 sec.
covalent bond
n.
A chemical bond formed by the sharing of one or more electrons, especially pairs of electrons, between atoms.
covalent bond (kō·vāˑ·lnt bnd),
n chemical bond that involves sharing of electrons between atoms of the same element to give a molecule of that element (e.g., nitrogen) or atoms of two or more elements to give a molecule of a compound (e.g., carbon dioxide); the predominant type of bonding in organic chemistry.
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The oxane bond (silicon-oxygen-silicon) that forms between the silane agent and the mineral filler can be especially vulnerable to hydrolysis, because this covalent bond has significant ionic character [1-9, 13-28].
Chemistry of silanes: interfaces in dental polymers and composites (1) by McDonough, Walter G. / Journal of Research of the National Institute of Standards and Technology
The excellent heat stability of this carbon carbon covalent bond explains the superior heat aging characteristics of peroxide cured systems.
Use of coagents for adhesive and dynamic property improvements in ... by Burke, Joseph S. / Rubber World
When a covalent bond snaps, the sugar molecule goes slack, and the tip bounces back.
Breaking bonds reveals their strength by Helmuth, L. / Science News
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