| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| -eth or -th2 | |
| —suffix forming ordinal numbers | |
| a variant of -th : twentieth | |
| -th or -th2 | |
| —suffix forming ordinal numbers | |
| th | |
| —the internet domain name for | |
| Thailand | |
| Th | |
| —the chemical symbol for | |
| thorium | |
| -th1 | |
| —suffix forming nouns | |
| 1. | (from verbs) indicating an action or its consequence: growth |
| 2. | (from adjectives) indicating a quality: width |
| [from Old English -thu, -tho] | |
| -th or -eth2 | |
| —suffix | |
| forming ordinal numbers: fourth; thousandth | |
| [from Old English -(o)tha, -(o)the] | |
| -eth or -eth2 | |
| —suffix | |
| [from Old English -(o)tha, -(o)the] | |
Th
The symbol for the element thorium.
| Th
The symbol for thorium. |
| thorium (thôr'ē-əm) Pronunciation Key
Symbol Th A silvery-white, radioactive metallic element of the actinide series. It is used for fuel in some nuclear reactors and for improving the high-temperature strength of magnesium alloys. The only naturally occurring isotope of thorium, Th 232, is also its most stable, having a half-life of 14.1 billion years. Atomic number 90; atomic weight 232.038; approximate melting point 1,750°C; approximate boiling point 4,500°C; approximate specific gravity 11.7; valence 4. See Periodic Table. |
| th Thai |
Th
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| TH townhouse |