- thermal: relating to heat
- thermodynamics (def): the branch of physics that deals with transforming heat into other kinds of energy.
- thermodynamics (der): dyn - power
- thermoplastic (def): can be molded or formed when heated
- thermoplastic (der): plastos - shape, mold
- thermos: heat
- thermostat: device that allows one to control the temperature of a room or a machine.
- thermotropic (def): turning toward heat
- thermotropic (der): tropos - turn
thermos