noun Etymology: Late Latin agonista competitor, from Greek agōnistēs, from agōnizesthai to contend, from agōn Date: circa 1623 1. one that is engaged in a struggle 2. [from antagonist] a. a muscle that is controlled by the action of an antagonist with which it is paired b. a chemical substance capable of combining with a specific receptor on a cell and initiating the same reaction or activity typically produced by the binding endogenous substance <
dopaminergic agonists
compare antagonist 2b

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Agonist — (griechisch αγωνιστής agonistís ‚der Tätige‘, ‚Handelnde‘, ‚Führende‘) bezeichnet: Agonist (Anatomie), ein Muskel oder Teil des Nervensystems, der bei zunehmender Aktivität von seinem Gegenspieler mehr und mehr gehemmt wird Agonist… …   Deutsch Wikipedia

  • agonist — AGONÍST, Ă s.m. şi f. (livr.) Luptător, sportiv; atlet. [< germ. Agonist, cf. gr. agonistes]. Trimis de LauraGellner, 23.10.2004. Sursa: DN  AGONÍST adj., s.m. (Musculatură) care produce o anumită uşurare. [< …   Dicționar Român

  • Agonist — Ag o*nist, n. [Gr. ?.] One who contends for the prize in public games. [R.] [1913 Webster] …   The Collaborative International Dictionary of English

  • Agonist — (griech.), Wettkämpfer; Agonistik, die zum Zweck des Wettkampfes getriebene Gymnastik, s. Agon …   Meyers Großes Konversations-Lexikon

  • Agoníst — (grch.), Wettkämpfer; Agonístik, Kampfkunst …   Kleines Konversations-Lexikon

  • agonist — (n.) 1876, in writings on Greek drama, from Gk. agonistes, lit. combatant in the games (see AGONY (Cf. agony)) …   Etymology dictionary

  • agonist — agònist m DEFINICIJA 1. onaj koji se bori; borac, natjecatelj 2. anat. mišić koji s grupom drugih mišića djeluje na isti zglob 3. kem. kemijska tvar koja pospješuje rezultate izmjene tvari ETIMOLOGIJA vidi agon …   Hrvatski jezični portal

  • agonist — [ag′ə nist΄] n. [back form. < ANTAGONIST] 1. one who takes part in a struggle, as a main character in a drama 2. a muscle whose action on a joint or orifice is opposed by the action of another muscle, the antagonist …   English World dictionary

  • Agonist — For other meanings of agonist or agonism , see agonist (disambiguation). For a primary fictional character in a work, see Protagonist and Antagonist. Agonists …   Wikipedia

  • Agonist — A drug that binds to a receptor of a cell and triggers a response by the cell. An agonist often mimics the action of a naturally occurring substance. An agonist produces an action. It is the opposite of an antagonist which acts against and blocks …   Medical dictionary

  • agonist — noun a) Someone involved in a contest or battle (as in an agon). when bending the elbow the biceps are the agonist b) The muscle that contracts while the other relaxes. acetylcholine is an agonist at the a cholinergic receptor …   Wiktionary

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