What is "eonian"

a. 1 Of or pertaining to an eon 2 (context by extension English) everlasting alt. 1 Of or pertaining to an eon 2 (context by extension English) everlasting

1. adj. of or relating to a geological eon (longer than an era) [syn: aeonian]

2. lasting for an indefinitely long period of time [syn: everlasting, eternal, lasting, aeonian]