[ lahy-guh nd, lig-uh nd ]
/ ˈlaɪ gənd, ˈlɪg ənd /
Biochemistry. a molecule, as an antibody, hormone, or drug, that binds to a receptor.
Chemistry. a molecule, ion, or atom that is bonded to the central metal atom of a coordination compound.
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Compare complexing agent.
Origin of ligand
1945–50; < Latin ligandus, gerund of ligāre to bind, tie
Words nearby ligand
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for ligand
/ (ˈlɪɡənd, ˈlaɪ-) /
chem an atom, molecule, radical, or ion forming a complex with a central atom
Word Origin for ligand
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
Medical definitions for ligand
[ lī′gənd, lĭg′ənd ]
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.