a. [f. Gr. αἰώνι-ος age-long, eternal + -AN.] Eternal, everlasting.
1765. Tucker, Lt. of Nat., I. 650. I might insist that the term translated ‘everlasting’ ought to be preserved untranslated, as a kind of technical term, and called aionian.
1850. Tennyson, In Mem., xxxv. 11. The sound of streams that swift or slow Draw down æonian hills.
1867. G. Macdonald, Poems, 109. Heaven’s æonian day.
