15 letters · 23 points in Scrabble
noun a substance that opposes or blocks the action of acetylcholine
adjective inhibiting or blocking the action of acetylcholine at a receptor site
originEtymology tree Proto-Indo-European *h₂ent- Proto-Indo-European *-s Proto-Indo-European *h₂énts Proto-Indo-European *-i Proto-Indo-European *h₂énti Ancient Greek ᾰ̓ντῐ́ (ăntĭ́) Ancient Greek ἀντι- (anti-)der. English anti- Proto-Indo-European *ǵʰelh₃- Proto-Hellenic *kʰolā́ Ancient Greek χολή (kholḗ)der. English choline English -ergy Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor.…
Etymology from Wiktionary, CC BY-SA 3.0