ĭon, ĭi, n. [ἴον].
I A kind of violet , Plin. 21, 11, 38, § 64; plur.: ia, id. 21, 6, 14, § 27. —
II A precious stone of a violet color , Plin. 37, 10, 61, § 170.
ION(Ἴων), a river of Tymphaea in Thessaly, rising in the Cambunian mountains, and flowing into the P...
Dictionary of Greek and Roman Geography
·noun One of the elements which appear at the respective poles when a body is subjected to electro-c...
Webster's Dictionary of the English Language