Heat unit and Joule

Heat unit noun - A unit of measurement for work.

Joule and heat unit are semantically related. In some cases you can replace term "Joule" with "Heat unit", this terms are similar.

Joule noun - A unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second.

Heat unit and joule are semantically related. Sometimes you can use "Heat unit" instead a noun "Joule".