Definition of faciation in English:

faciation

noun

Ecology
  • A division of a climax association containing more than one of the dominant species of the association.

Origin

1920s; earliest use found in Frederic Edward Clements (1874–1945). From classical Latin faciēs face + -ation.

Pronunciation

faciation

/ˌfeɪsɪˈeɪʃən/