/perr"mee euhn/ , adj.
1. Geol. noting or pertaining to a period of the Paleozoic Era occurring from about 280 to 230 million years ago and characterized by a profusion of amphibian species. See table under geologic time .
n.
2. Geol. the Permian Period or System.
3. Permic.
[ 1835-45; PERM + -IAN ]