from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Abnormal organic development.
- n. The birth of a living being from a parent of a different kind; having two different forms in the life cycle.
from the GNU version of the Collaborative International Dictionary of English
- n. Spontaneous generation, so called.
- n. That method of reproduction in which the successive generations differ from each other, the parent organism producing offspring different in habit and structure from itself, the original form, however, reappearing after one or more generations; -- opposed to
homogenesis, or gamogenesis.
from The Century Dictionary and Cyclopedia
- n. Production by an external cause — that is, a cause different from the effect. Also called heterogeny.
- n. In biology: The spontaneous generation of animals and vegetables low in the scale of organization from inorganic elements; abiogenesis.
- n. That kind of generation in which the parent, whether plant or animal, produces offspring differing in structure and habit from itself, but in which after one or more generations the original form reappears.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the alternation of two or more different forms in the life cycle of a plant or animal
Sorry, no etymologies found.