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单词 chelate
释义

WordReference Random House Unabridged Dictionary of American English © 2024
che•late  (kēlāt),USA pronunciation adj., n., v., -lat•ed, -lat•ing. 
adj. 
  1. Chemistry
    • of or noting a heterocyclic compound having a central metallic ion attached by covalent bonds to two or more nonmetallic atoms in the same molecule.
    • of or noting a compound having a cyclic structure resulting from the formation of one or more hydrogen bonds in the same molecule.
  2. Zoologyhaving a chela or chelae.

n. 
  1. Chemistrya chelate compound.

v.i. Chem. 
  1. Chemistry(of a heterocyclic compound) to react to form a chelate.
  2. Chemistry(of a compound) to form a ring by forming one or more hydrogen bonds.

v.t. 
  1. Chemistryto combine (an organic compound) with a metallic ion to form a chelate.
  • chel(a)1 + -ate1 1820–30
chelat•a•ble, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
chelate /ˈkiːleɪt/ n
  1. 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
adj
  1. of or possessing chelae
  2. of or denoting a chelate
vb
  1. (intransitive) to form a chelate
Etymology: 20th Century: from chela1
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更新时间:2024/11/11 9:01:05