covalent bond


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Related to covalent bond: nonpolar covalent bond, Noncovalent bond
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covalent bond
In a water molecule, each hydrogen atom (H) shares an electron (yellow) with the oxygen atom (O).

covalent bond

n.
A chemical bond formed by the sharing of one or more electrons, especially pairs of electrons, between atoms.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

covalent bond

n
(Chemistry) a type of chemical bond involving the sharing of electrons between atoms in a molecule, esp the sharing of a pair of electrons by two adjacent atoms
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

cova′lent bond′


n.
the bond formed by the sharing of a pair of electrons by two atoms.
[1960–65]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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covalent bond
Covalent bonding as seen in a hydrogen chloride molecule. The hydrogen atom (H) shares an electron (yellow) with the chloride atom (Cl).

co·va·lent bond

(kō-vā′lənt)
A chemical bond formed when electrons are shared between two atoms. Usually each atom contributes one electron to form a pair of electrons that are shared by both atoms. See more at bond, coordinate bond, double bond, ionic bond.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.covalent bond - a chemical bond that involves sharing a pair of electrons between atoms in a molecule
bond, chemical bond - an electrical force linking atoms
double bond - a covalent bond in which two pairs of electrons are shared between two atoms
coordinate bond, dative bond - a covalent bond in which both electrons are provided by one of the atoms
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
enlace covalente
kovalenttinen sidos
liaison covalente
kovalent bağ
References in periodicals archive ?
Metals like uranium form a covalent bond with halogens, and form covalent metal halides.
Ibrutinib is a first-in-class Bruton's tyrosine kinase inhibitor, which works by forming a strong covalent bond with BTK to block the transmission of cell survival signals within the malignant B-cells.
A nick in a strand is any place where there's a missing covalent bond between a sugar and the next adjacent phosphate.
Working through exothermic reaction and covalent bond formation, the material can impart advanced thermal properties, increased R-values, anti-corrosion attributes, plus mold and mildew control.
Imbruvica is a BTK inhibitor that blocks the transmission of cell survival signals in malignant B-cells by forming a covalent bond with the BTK protein, preventing cancer cells from being able to propagate.
Though the process in solution has an obvious advantage that all the covalent bond formations formed are irreversible, the deficiency shows in a lot of aspects, such as hardness to direct monomers into a two-dimensional geometry, the enormously fast loss of solubility with increasing size of the polymer, and the increase in lateral extension strongly hampering in isotropic solution experiments.
In hepatic cells, MCs undergo a two-step interaction with PPs: the first step involves reversible binding that leads to rapid inhibition of catalytic activity; the second step involves formation of a covalent bond between the Nmethyldehydroalanine residue ([Mdha.sup.7]) and a nucleophilic site on the PPs, leading to irreversible inactivation [10].
Fabpen Textile Marker ink bonds onto the Fabric forming a strong covalent bond with the fiber after the ink comes in contact with the air.
Ibrutinib is a first-in-class Bruton's tyrosine kinase inhibitor, which works by forming a strong covalent bond with BTK to block the transmission of cell survival signals within the malignant B cells.4By blocking this BTK protein, ibrutinib helps kill and reduce the number of cancer cells.
The year 2016 then, marks the 100th anniversary of Lewis's concept of the covalent bond model and electron pairs.
The barrier coating and the plastic form what is called a "covalent bond.