Definition of orthogenetics in English:

orthogenetics

Pronunciation /ˌɔːθəʊdʒɪˈnɛtɪks/

noun

Biology
  • A theory which proposes a cause other than natural selection for consistent trends in the direction of evolution (orthogenesis).

    Earliest in attributive use.

Origin

1930s; earliest use found in Aldous Huxley (1894–1963), writer. From orthogenetic.