[{"word":"agonists","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Someone involved in a contest or battle (as in an agon), protagonist.","synonyms":[],"antonyms":[]},{"definition":"The muscle that contracts while the other relaxes.","synonyms":[],"antonyms":[],"example":"When bending the elbow, the biceps is the agonist."},{"definition":"A molecule that can combine with a receptor on a cell to produce a physiological reaction.","synonyms":[],"antonyms":[],"example":"Acetylcholine is an agonist at the cholinergic receptor."}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/agonist","https://en.wiktionary.org/wiki/agonists"]}]