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double bond

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
double bond
n. Symbol
A covalent bond in which two electron pairs are shared between two atoms.
double bond,
n a covalent bond in which two valence (outer) electrons are contributed by each participating atom. See also covalent bond.


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? Mentioned in ? References in periodicals archive
 
The first reaction removes two hydrogen atoms from an alkane, creating a double bond between two of the molecule's carbons.
Dynamic duo: two catalysts build valuable carbon chains by Cunningham, A. / Science News
[Environ Health Perspect 113:1784-1786 (2005)], the double bond between HN and boron was incorrect.
Errata by Environmental Health Perspectives
Indopol polybutenes possess an olefinic double bond at the end of each molecule.
Polybutenes by Rubber World
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