Tb
symbol
• the chemical element terbium.
TB
noun
• short for tuberculosis.
TB
abbreviation
• terabyte(s).
terabyte
noun
• a unit of information equal to one million million (1012) or, strictly, 240 bytes.
terbium
noun
• the chemical element of atomic number 65, a silvery-white metal of the lanthanide series.
Origin:
mid 19th century: modern Latin, from Ytterby, the name of a village in Sweden where it was discovered. Compare with erbium and ytterbium.
tuberculosis
noun
• an infectious bacterial disease characterized by the growth of nodules (tubercles) in the tissues, especially the lungs.
Origin:
mid 19th century: modern Latin, from Latin tuberculum (see tubercle) + -osis.
