any engine that makes use of heat to do work
motor that converts thermal energy to mechanical work
something used to achieve a purpose
a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks
a form of energy that is transferred by a difference in temperature
the presence of heat
the sensation caused by heat energy
the trait of being intensely emotional
applies to nonhuman mammals: a state or period of heightened sexual arousal and activity
