double bond

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double bond
double bond between oxygen atoms

double bond

n.
A covalent bond in which two electron pairs are shared between two atoms.

double bond

n
(Chemistry) a type of chemical bond consisting of two covalent bonds linking two atoms in a molecule

dou′ble bond′


n.
a chemical linkage consisting of two covalent bonds between two atoms of a molecule, represented in chemical formulas by two lines, two dots, or four dots, as CH2=CH2; CH2:CH2; CH2::CH2.

dou·ble bond

(dŭb′əl)
A type of covalent bond in which two electron pairs are shared between two atoms. Each atom contributes two electrons to the bond. See more at covalent bond.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.double bond - a covalent bond in which two pairs of electrons are shared between two atoms
covalent bond - a chemical bond that involves sharing a pair of electrons between atoms in a molecule
References in periodicals archive ?
The conversion of double bonds in UV-cured acrylic coatings on various substrates was followed in-line by near-infrared (NIR) reflection spectroscopy.
The alternative double bonds and conjugation in the polyene compounds are one of the main properties in these compounds.
Saturated fat (containing no carbon-carbon double bonds in their structure) are implicated in heart disease but can be repeatedly heated when it comes to frying.
The sections cover selectivity, carbon- carbon single and double bonds, stereochemistry, and functional group strategy.
The company explains that tocotrienols differ from tocopherols in that they contain three double bonds in the side-chain.
This work also reported the presence of lipids with more double bonds in tissue samples with MYC overexpression; the enzyme in the cell that adds double bonds to the lipids is regulated by MYC.
Cataldo, "About the ozone reaction with unsaturated polymers having cross-conjugated double bonds," Rubberchem 2001.
A revolution in this field has recently been witnessed with the syntheses of the first neutral compounds with boron-boron double bonds, diborenes, and the first compounds with boron-boron triple bonds, diborynes.
Carbon double bonds serve as axles between two wheels; when the entire unit is zapped with electricity, the double bonds become single.
Hydrazine consists of nitrogen, hydrogen and carbon with double bonds on the nitrogen making it very toxic.
FTIR measurements and iodine number titration have indicated the disappearance of double bonds as a result of the radical reaction.
It is thought that the natural rubber molecules can easily be broken down by excessively high temperatures and shearing action because it has reactive double bonds in every repeating unit along the rubber chain.