11 letters · 17 points in Scrabble
noun (genetics) an organism or cell having a chromosome number that is not an even multiple of the haploid chromosome number for that species
originEtymology tree Proto-Indo-European *sem- Proto-Indo-European *sḿ̥teros Proto-Hellenic *hə́teros Ancient Greek ἕτερος (héteros)lbor. English hetero- English -ploid English heteroploid From hetero- + -ploid.
Etymology from Wiktionary, CC BY-SA 3.0