Definition of evectional in English:

evectional

adjective

Astronomy
  • Of or relating to the evection of the moon.

Origin

Late 19th century; earliest use found in Reports of the British Association for the Advancement of Science. From evection + -al.

Pronunciation

evectional

/ɪˈvɛkʃ(ə)n(ə)l/ /ɪˈvɛkʃən(ə)l/