COVALENT BOND

Pronunciation (US):

(GB):

 Dictionary entry overview: What does covalent bond mean? 

• COVALENT BOND (noun)
  The noun COVALENT BOND has 1 sense:

1. a chemical bond that involves sharing a pair of electrons between atoms in a molecule

  Familiarity information: COVALENT BOND used as a noun is very rare.

 Dictionary entry details 

• COVALENT BOND (noun)

Sense 1

Meaning:

A chemical bond that involves sharing a pair of electrons between atoms in a molecule

Classified under:

Nouns denoting natural phenomena

Hypernyms ("covalent bond" is a kind of...):

bond; chemical bond (an electrical force linking atoms)

Hyponyms (each of the following is a kind of "covalent bond"):

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)

 Context examples 

DNA Interstrand Crosslinking involves the formation of a covalent bond between two bases on different DNA strand.

(DNA Interstrand Crosslinking, NCI Thesaurus)

DNA Crosslinking involves the formation of a covalent bond between two bases on DNA.

(DNA Crosslinking, NCI Thesaurus)

DNA Intrastrand Crosslinking involves the formation of a covalent bond between two bases on the same DNA strand.

(DNA Intrastrand Crosslinking, NCI Thesaurus)

E3 Ubiquitin Ligases are ATP-dependent enzymes that catalyze the formation of a covalent bond between ubiquitous intracellular Ubiquitin proteins and other proteins, often to mark them for nonlysosomal proteasomal degradation or targeted transport.

(E3 Ubiquitin Ligase, NCI Thesaurus)

Orlistat forms a covalent bond with the active serine site in gastric and pancreatic lipases, thereby inhibiting their activity and preventing dietary fat from being hydrolyzed and absorbed.

(Orlistat, NCI Thesaurus)

The fibers form a more stable clot as a result of the covalent bonds formed by activated factor XIII enzyme (also known as Fibrin-stabilizing factor).

(Fibrinolysis Pathway, NCI Thesaurus/BIOCARTA)

A structure formed when a chemical is attached to DNA by a covalent bond.

(DNA Adduct, NCI Thesaurus)

DNA Adduction involves formation of a covalent bond between a molecule and the DNA macromolecule.

(DNA Adduction, NCI Thesaurus)

A disulfide linkage is a covalent bond between 2 sulfide atoms from the thiol group of 2 cysteine residues (S-S).

(Disulfide Linkage, NCI Thesaurus)

A single entity that can be represented as a set of atoms usually connected through a continuous set of covalent bonds.

(Chemical Moiety, NCI Thesaurus)