Other Definitions tb (enc)
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Tb| Noun | 1. | Tb - a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbitemetal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. apatite - a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus gadolinite, ytterbite - a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium monazite - a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium | | | 2. | TB - infection transmitted by inhalation or ingestion of tubercle bacilli and manifested in fever and small lesions (usually in the lungs but in various other parts of the body in acute stages)Pott's disease - TB of the spine with destruction of vertebrae resulting in curvature of the spine miliary tuberculosis - acute tuberculosis characterized by the appearance of tiny tubercles on one or more organs of the body (presumably resulting from tubercle bacilli being spread in the bloodstream) lupus vulgaris - tuberculosis of the skin; appears first on the face and heals slowly leaving deep scars | | | 3. | TB - a unit of information equal to a trillion (1,099,511,627,776) bytes or 1024 gigabytesgigabyte, GB, G - a unit of information equal to one billion (1,073,741,824) bytes or 1024 megabytes | |
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