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ligand

[lahy-guh nd, lig-uh nd] /ˈlaɪ gənd, ˈlɪg ənd/
noun
1.
Biochemistry. a molecule, as an antibody, hormone, or drug, that binds to a receptor.
2.
Chemistry. a molecule, ion, or atom that is bonded to the central metal atom of a coordination compound.
Compare complexing agent.
Origin
1945-1950
1945-50; < Latin ligandus, gerund of ligāre to bind, tie
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for ligands
  • ligands that decrease gaba function are termed benzodiazepine receptor inverse agonists.
  • The ions or molecules surrounding the metal are called ligands.
British Dictionary definitions for ligands

ligand

/ˈlɪɡənd; ˈlaɪ-/
noun
1.
(chem) an atom, molecule, radical, or ion forming a complex with a central atom
Word Origin
C20: from Latin ligandum, gerund of ligāre to bind
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for ligands
ligand
1952, from L. ligandus, gerundive of ligare "to bind" (see ligament).
Online Etymology Dictionary, © 2010 Douglas Harper
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ligands in Medicine

ligand li·gand (lī'gənd, lĭg'ənd)
n.
An ion, a molecule, or a molecular group that binds to another chemical entity to form a larger complex.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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9
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