from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One involved in a struggle or competition.
- n. Physiology A contracting muscle that is resisted or counteracted by another muscle, the antagonist.
- n. Biochemistry A drug or other chemical that can combine with a receptor on a cell to produce a physiologic reaction typical of a naturally occurring substance.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Someone involved in a contest or battle (as in an agon).
- n. The muscle that contracts while the other relaxes.
- n. A molecule that can combine with a receptor on a cell to produce a physiological reaction.
from the GNU version of the Collaborative International Dictionary of English
- n. One who contends for the prize in public games.
from The Century Dictionary and Cyclopedia
- n. One who contends for the prize in public games; a combatant; a champion; a dramatic actor. Also called agonister.
- n. [capitalized] One of a violent party of Donatists in northern Africa in the fourth century.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a muscle that contracts while another relaxes
- n. someone involved in a contest or battle (as in an agon)
- n. the principal character in a work of fiction
- n. (biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction
Late Latin agōnista, contender, from Greek agōnistēs, from agōn, contest; see agony.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek ἀγωνιστής (agōnistēs, "combatant, champion") (Wiktionary)