メタ

Etymology 1
From, via.

Noun

 * 1) meta
 * 2)  a benzene ring with two substituents in alternate positions
 * 3)  an oxyacid with relatively few water molecules
 * 1)  an oxyacid with relatively few water molecules

Prefix

 * 1) meta-

Etymology 2
From. Attested from 1915.

Noun

 * 1)  German silver