15 letters · 21 points in Scrabble
noun human conception without fertilization by a man
noun process in which an unfertilized egg develops into a new individual; common among insects and some other arthropods
originFrom partheno- + -genesis, from Ancient Greek παρθένος (parthénos, “virgin”) and γένεσις (génesis, “origin, creation, generation”).
Etymology from Wiktionary, CC BY-SA 3.0