from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Defective or abnormal development of an organ, especially of the gonads.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Defective development
from the GNU version of the Collaborative International Dictionary of English
- n. A condition of not generating or breeding freely; infertility; a form of homogenesis in which the hybrids are sterile among themselves, but are fertile with members of either parent race.
from The Century Dictionary and Cyclopedia
- n. Difficulty in breeding; difficult generation; sterility; infecundity.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. infertility between hybrids
dys- + -genesis (Wiktionary)