from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An ion, a molecule, or a molecular group that binds to another chemical entity to form a larger complex.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An ion, molecule, or functional group that binds to another chemical entity to form a larger complex.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a substance (an atom or molecule or radical or ion) that forms a complex around a central atom


From Latin ligandus, gerundive of ligāre, to bind; see ligate.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin ligandus, gerundive of ligare ‘to bind’. (Wiktionary)


  • It turns out that a single molybdenum center within a properly designed protective ligand is sufficient.

    Richard R. Schrock - Autobiography

  • (A ligand is a molecule that binds to the receptor to form a biologically active complex.) "In bad times, the ligand is not made and the nuclear receptor (DAF-12) causes the animals to go into the long lived dauer stage, shutting down the microRNAs and the developmental clock," he said.

    Baylor College of Medicine News

  • This first-in-class monoclonal antibody targets RANK ligand, which is involved in bone-degenerating osteoclasts.

    PharmaTimes World News

  • KemPharm's LAT platform generates modified versions of FDA-approved drugs by chemically attaching a removable substituent, called a ligand, to the approved drug, resulting in a prodrug that is an NCE with potentially improved therapeutic characteristics based on enhanced pharmacokinetic profiles and other characteristics.

    Health News from Medical News Today

  • Recently the intracellular protein BAT3, which is involved in DNA damage induced apoptosis, was identified as a ligand for NKp30.

    PLoS ONE Alerts: New Articles

  • He introduced the system of 'Stock notation' in 1919 for naming inorganic compounds containing elements with variable valencies (for example copper (I) sulphate and copper (II) sulphate) and introduced the word 'ligand' in transition metal chemistry.

    Recently Uploaded Slideshows

  • The present dominant catalysts used in such synthesis process are 'ligand-metal catalysts' (such as ligand-copper, - palladium, - platinum, - ruthenium etc).


  • To suspend metal particles in water, the researchers coated them with a "ligand" that adheres to the metal and to water.

    Nano Tech Wire

  • Werner showed that such a structure is inconsistent with some experimental facts, and he suggested instead that all the ligand molecules are bound directly to the metal ion.

    The Nobel Prize in Chemistry: The Development of Modern Chemistry

  • Like receptor-ligand dynamics in cell biology, parking spots have a natural turnover rate: people come and go.

    Dr. Ali Binazir: Parking Anywhere For Free: A Metaphor For Success


Log in or sign up to get involved in the conversation. It's quick and easy.