HETEROGENESES
Noun
heterogeneses
plural of heterogenesis
Source: Wiktionary
HETEROGENESIS
Het`er*o*gen"e*sis, n. Etym: [Hetero- + genesis.]
1. (Biol.)
Definition: Spontaneous generation, so called.
2. (Biol.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition