from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Increased vigor or other superior qualities arising from the crossbreeding of genetically different plants or animals. Also called heterosis.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A property of some hybrids that are more likely to outperform either purebred parent in surviving.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (genetics) the tendency of a crossbred organism to have qualities superior to those of either parent
Sorry, no etymologies found.