agonist

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Etymology 1.2 Noun 1.2.1 Derived terms 1.2.2 Translations

[edit] English

Wikipedia

[edit] Etymology

From Ancient Greek ἀγωνιστής (agōnistēs), “‘combatant, champion’”)

[edit] Noun

agonist (plural agonists)

1. Someone involved in a contest or battle (as in an agon).
2. A muscle that contracts while another relaxes.

   "when bending the elbow the biceps are the agonist"

3. (biochemistry) A molecule that can combine with a receptor on a cell to produce a physiological reaction.

   "acetylcholine is an agonist at the a cholinergic receptor"

[edit] Derived terms

• agonistical
• agonistics
• antagonist
• protagonist

[edit] Translations