covalent
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covalent — covalent, ente [ kovalɑ̃, ɑ̃t ] adj. • mil. XXe; de covalence ♦ Sc. Relatif à la covalence. Liaison covalente, de covalence. « Les liaisons covalentes [...] sont dues à la mise en commun d orbitales électroniques entre deux ou plusieurs atomes »… … Encyclopédie Universelle
covalent — COVALÉNT, Ă, covalenţi, te, adj. (Despre elemente chimice) Care prezintă covalenţă. – Din germ. kovalent. Trimis de LauraGellner, 30.07.2004. Sursa: DEX 98 covalént adj. → valent Trimis de siveco, 13.09.2007. Sursa: Dicţionar ortografic … … Dicționar Român
covalent — adjective Date: circa 1926 of, relating to, or characterized by covalent bonds • covalently adverb … New Collegiate Dictionary
covalent — adjective /ko(ʊ)ve(ɪ)lənt/ containing or characterized by a covalent bond See Also: covalency, covalence … Wiktionary
covalent — adj. Chem. of, relating to, or characterized by covalency. Phrases and idioms: covalent bond Chem. a bond formed by sharing of electrons usu. in pairs by two atoms in a molecule. Derivatives: covalence n. covalently adv. Etymology: CO + valent,… … Useful english dictionary
Covalent (disambiguation) — Covalent may refer to: Covalent bond, a type of chemical bond Covalent radius, half the distance between two covalently bonded atoms Covalent modulation, the alteration of protein structure by covalent bonding This disambiguation page lists… … Wikipedia
Covalent modulation — is the alteration of a protein s shape and function by covalent bonding of chemical groups to it. Covalent modulation is the alteration of a protein s shape and function by covalent bonding of chemical groups to it. Enzymes that control metabolic … Wikipedia
Covalent superconductor — Covalent semiconductors are such solids as diamond, silicon, germanium, silicon carbide and silicon germanium where atoms are linked by covalent bonds. Most of those materials, at least in their bulk form, are well studied and rarely hit the… … Wikipedia
covalent bond — n a chemical bond formed between atoms by the sharing of electrons * * * a chemical bond between two atoms or radicals formed by the sharing of a pair (single bond), two pairs (double bond), or three pairs of electrons (triple bond) … Medical dictionary
covalent bond — n. the chemical bond formed between two atoms when they share electrons in pairs, so that each atom provides half the electrons: see IONIC BOND, COORDINATE BOND … English World dictionary
