Dictionary
Th
—
Symbol, Chem.
thorium.
Th 227
—
Symbol, Chem.
radioactinium.
Also,Th-227-th
a suffix forming nouns of action (
birth) or abstract nouns denoting quality or condition (
depth; length; warmth).
-th
a suffix used in the formation of ordinal numbers (
fourth, tenth), in some cases, added to altered stems of the cardinal (
fifth; twelfth).
-th
var. of
-eth 1 : doth.Th.
Thursday.
T.H.
Territory of Hawaii.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: - Th (Thesaurus)
- Th (Encyclopedia)