Definition of atomical in English:

atomical

Pronunciation /əˈtɒmɪkl/

adjective

  • 1 rare Of the nature of an atom or atoms; consisting of or involving atoms. Compare "atomic".

  • 2Chiefly . Designating or adhering to the doctrine of atoms as understood in ancient Greek philosophy or later.

Origin

Early 17th century; earliest use found in Edmund Bolton (?1575/5–?1634), antiquary and historian. From atom + -ical.