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double bond

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.04 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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The first reaction removes two hydrogen atoms from an alkane, creating a double bond between two of the molecule's carbons.
[Environ Health Perspect 113:1784-1786 (2005)], the double bond between HN and boron was incorrect.
Indopol polybutenes possess an olefinic double bond at the end of each molecule.
 
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