Definition of polyglacialism in English:

polyglacialism

noun

Geology
rare
  • The polyglacial theory.

Origin

1970s; earliest use found in Bruce Sparks (b. 1923). From polyglacial + -ism.

Pronunciation

polyglacialism

/ˌpɒlɪˈɡleɪsɪəɪz(ə)m//ˌpɒlɪˈɡleɪʃ(ə)lɪz(ə)m/