füüsikasuurus, mis iseloomustab soojusvahetuse teel üle kantud energiahulka
ISQ tuletatud suurus
form of energy related to chaotic microscopic behaviour of a system, given by the difference between the increase of the total energy of a closed system and the work done on the system, during a process of energy transfer
difference between the increase of the total energy of a physical system and the work done on the system, provided that matter and electromagnetic energy do not cross the boundary of the system
Unit (Btu) was the heat unit in the English system, and was defined as the quantity of heat needed to raise the temperature of a pound of water (about a pint).
