Definition of alleotic in US English:

alleotic

noun

Medicine
rare, disused
  • Alterative.

adjective

Medicine
rare, disused
  • Alterative.

Origin

Early 18th century. As noun from post-classical Latin alloeoticum (usually in plural, alloeotica), use as noun of neuter of alloeoticus, adjective.

Pronunciation

alleotic

/ˌalɪˈɒtɪk/