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Agonist
//ˈæ.ɡɘ.nɪst// noun
Definitions
Noun
- 1 Someone involved in a contest or battle (as in an agon), protagonist.
- 2 (biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction wordnet
- 3 The muscle that contracts while the other relaxes.
"When bending the elbow, the biceps is the agonist."
- 4 a muscle that contracts while another relaxes wordnet
- 5 A molecule that can combine with a receptor on a cell to produce a physiological reaction.
"Acetylcholine is an agonist at the cholinergic receptor."
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- 6 someone involved in a contest or battle (as in an agon) wordnet
- 7 the principal character in a work of fiction wordnet
Etymology
Borrowed from Latin agōnista, from Ancient Greek ἀγωνιστής (agōnistḗs, “combatant, champion”). By surface analysis, agon or agony + -ist.
See also for "agonist"
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