10 letters · 15 points in Scrabble
noun the antiparticle of a baryon; a hadron with a baryon number of -1
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- English baryon English antibaryon From anti- + baryon.
Etymology from Wiktionary, CC BY-SA 3.0