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An ion, molecule, or molecular group that binds to another chemical entity to form a larger complex.
[From Latin ligandus, gerundive of ligāre, to bind; see ligate.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Chemistry) chem an atom, molecule, radical, or ion forming a complex with a central atom
[C20: from Latin ligandum, gerund of ligāre to bind]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
li•gand(ˈlaɪ gənd, ˈlɪg ənd)
1. a molecule, as an antibody, hormone, or drug, that binds to a receptor.
2. a molecule, ion, or atom that is bonded to the central metal atom of a coordination compound.
[1945–50; < Latin ligandus, ger. of ligāre to bind, tie]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||ligand - a substance (an atom or molecule or radical or ion) that forms a complex around a central atom|
substance - a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man"
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