1. : "therm" = "naut, naus, nav" heat, temperature Relating to boats

2. therm (n) a unit of heat equal to 1,000 calories

3. thermal (adj) related to heat or temperature

4. thermodynamic (adj) caused to operated by heat that has changed into different forms of energy

5. thermos (n) a container that is used to keep things warm, such as your soup; a double-walled container that keeps things warm

6. thermostat (v) a device used to control the temperature

7. astronaut (n) a person who is trained to travel into outer space

8. nauseous (adj) affected with the feeling of sickness in the stomach that feels like sea sickness

9. navy (n) a fleet of ships; all the warships of a nation

10. navigator (n) a person who is trained to plan the course of and drive a ship

11. navigate (v) to steer or direct a ship or airplane