from Greek meaning "warm"
1.)of, relating to or caused by heat.
2.)designed to insulate in order to retain body heat
Physics that deals with the mechanical actions or relations of heat
Of or relating to the changes in the nucleus of atoms with low atomic weight, such as hydrogen, that require a very high temperature to begin
British Thermal Unit
the quantity of heat required to raise the temperature of one pound of water one degree fahrenheit at a specified temperature