CHELATE


Meaning of CHELATE in English

I. ˈkēˌlāt adjective

Etymology: New Latin chela (I) + English -ate

1. : like or having chelae

2.

[Greek chēlē hoof, claw + English -ate ]

a. : relating to, producing, or characterized by a cyclic structure usually containing five or six atoms in a ring in which a central metallic ion (as bivalent copper or bivalent or trivalent iron) is held in a coordination complex by one or more groups (as citrate or ethylenediamine) each of which can attach itself to the central ion by at least two bonds

a chelate ring

chlorophyll and hemoglobin are chelate compounds

b. : relating to or characterized by a cyclic structure (as of the ring formed by salicylaldehyde) resulting from the formation of a hydrogen bond

II. verb

( -ed/-ing/-s )

transitive verb

: to combine with (a metal) so as to form a chelate ring or rings — compare sequester

intransitive verb

: to react so as to form a chelate ring or rings

III. noun

( -s )

: a compound formed by chelation : a chelate compound

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.