Chelate

[kee-leyt] /ˈki leɪt/

adjective
1.
Chemistry.

2.
Zoology. having a chela or chelae.
noun
3.
Chemistry. a chelate compound.
verb (used without object), chelated, chelating. Chemistry.
4.
(of a heterocyclic compound) to react to form a chelate.
5.
(of a compound) to form a ring by forming one or more hydrogen bonds.
verb (used with object), chelated, chelating.
6.
Chemistry. to combine (an organic compound) with a metallic ion to form a chelate.
/ˈkiːleɪt/
noun
1.
(chem) a coordination compound in which a metal atom or ion is bound to a ligand at two or more points on the ligand, so as to form a heterocyclic ring containing a metal atom
adjective
2.
(zoology) of or possessing chelae
3.
(chem) of or denoting a chelate
verb
4.
(intransitive) (chem) to form a chelate
adj.

“having pincer-like claws,” 1826 as a term in zoology; 1920 in chemistry, from Modern Latin chela “claw” (from Greek khele “claw, talon, cloven hoof;” see chelicerae) + -ate (2). Related: Chelated; chelating; chelation.

chelate che·late (kē’lāt’)
n.
A chemical compound in the form of a heterocyclic ring, containing a metal ion attached by coordinate bonds to at least two nonmetal ions. v. che·lat·ed, che·lat·ing, che·lates

che’late’ adj.
che·la’tion n.
chelate
(kē’lāt’)
A chemical compound in the form of a ring that contains a metal ion attached by coordinate bonds to at least two nonmetal ions. Many commercial dyes as well as important biological substances, such as chlorophyll and the heme of hemoglobin, are chelates.