Definition of panselectionism in English:

panselectionism

noun

Biology
  • The theory or belief that natural selection is the chief driving force in evolution at all levels, and the main mechanism accounting for genetic and phenotypic polymorphism.

Origin

1970s. From pan- + selectionism.

Pronunciation

panselectionism

/ˌpansɪˈlɛkʃ(ə)nɪz(ə)m//ˌpansɪˈlɛkʃənɪz(ə)m/