| tb | |
| —abbreviation for | |
| 1. | trial balance |
| 2. | Also: TB tuberculosis |
| a gadget; dingus; thingumbob. |
| a chattering or flighty, light-headed person. |
| Tb | |
| —the chemical symbol for | |
| terbium | |
| TB | |
| —abbreviation for | |
| 1. | torpedo boat |
| 2. | Also: tb tuberculosis |
Tb 1
The symbol for the element terbium.
TB or T.B.
abbr.
tuberculosis
| Tb
The symbol for terbium. |
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| terbium (tûr'bē-əm) Pronunciation Key
Symbol Tb A soft, silvery-gray metallic element of the lanthanide series. It is used in color television tubes, x-ray machines, and lasers. Atomic number 65; atomic weight 158.925; melting point 1,356°C; boiling point 3,123°C; specific gravity 8.229; valence 3, 4. See Periodic Table. |
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