Dictionary
-ia
a noun suffix having restricted application in various fields, as in names of diseases (
malaria; anemia), place names (
Italia; Rumania), names of Roman feasts (
Lupercalia), Latin or Latinizing plurals (
Amphibia; insignia; Reptilia), and in other loanwords from Latin (
militia).
IA
Iowa (approved esp. for use with zip code).
Ia.
Iowa.
i.a.
in absentia.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.