Tantalum -
Tantalum is a metal element with the symbol Ta.
Tectonics -
Tectonics is the study of rock movements.
Tellurium -
Tellurium is a semi-metallic element with the symbol Te.
Tempering -
Tempering is the process of heating up steel until red hot and then suddenly cooling it in water. The result is to harden the steel.
Terbium -
Terbium is a metal element with the symbol Tb belonging to the series known as rare earths.
Thallium -
Thallium is a metal element with the symbol Tl.
Thorium -
Thorium is radioactive metal element with the symbol Th.
Thulium -
Thulium is a metal element with the symbol Tm.
Tin-plate -
Tin-plate is thin sheet iron or steel coated with pure metallic tin. Iron and steel are coated with tin to prevent rusting.
Tincal -
Tincal is a crude form of borax found in lake-deposits in parts of Asia.
Tinplate -
Tinplate is steel covered in tin.
Ton -
The ton is a unit of measurement of the avoirdupois scale equivalent to 20 hundredweight, 2240 pounds or 1.016 tons.
Triassic -
The Triassic was the ninth geological period, 170,000,000 years ago.
Tritium -
Tritium is an unstable isotope of hydrogen.