Tb

symbol

the chemical element terbium.

noun

short for tuberculosis.

abbreviation, noun

terabyte(s).

noun

a unit of information equal to one million million (10¹²) or, strictly, 2⁴⁰ bytes.

noun, symbol

the chemical element of atomic number 65, a silvery-white metal of the lanthanide series.

mid 19th century: modern Latin, from Ytterby, the name of a village in Sweden where it was discovered. Compare with erbium and ytterbium.

noun

an infectious bacterial disease characterized by the growth of nodules (tubercles) in the tissues, especially the lungs.

mid 19th century: modern Latin, from Latin tuberculum (see tubercle) + -osis.