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.