from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A congenital defect characterized by underdevelopment of parts or organs of the body.
from The Century Dictionary and Cyclopedia
- n. That form of reproduction in which the product of each egg or each bud is a single organism like the parent; direct development without alternation of generations, as contrasted with metagenesis (which see).
From hypo- + -genesis (Wiktionary)