— ontological /on'tl oj"i keuhl/ , ontologic, ontologistic /on tol'euh jis"tik/ , adj. — ontologist , n.
/on tol"euh jee/ , n.
1. the branch of metaphysics that studies the nature of existence or being as such.
2. (loosely) metaphysics.
[ 1715-25; ontologia. See ONTO-, -LOGY ]