1. heat pump apparatus that extracts heat from a liquid that is at a higher temperature than its surroundings; can be used to transfer heat from a reservoir outside in order to heat a building
  2. heat lamp electric heater consisting of a high-power incandescent lamp that emits infrared radiation
  3. headlamp a powerful light with reflector
  4. hand pump a pump worked by hand
  5. pompous puffed up with vanity
  6. headspace the volume left at the top of a filled container (bottle or jar or tin) before sealing
  7. headpiece a protective helmet for the head
  8. hot pants skin-tight very short pants worn by young women as an outer garment
  9. dumps an informal expression for a mildly depressed state
  10. heat up gain heat or get hot
  11. hot pepper plant bearing very hot medium-sized oblong red peppers
  12. pampas the vast grassy plains of northern Argentina
  13. the Pamirs a mountain range in central Asia that is centered in Tajikistan but extends into Kyrgyzstan and Afghanistan and Pakistan and western China
  14. heated up made warm or hot (`het' is a dialectal variant of `heated')
  15. head up be the first or leading member of (a group) and excel
  16. lift pump pump used to lift rather than force a liquid up
  17. hatbox a round piece of luggage for carrying hats
  18. heatless without generating heat
  19. gas pump a pump in a service station that draws gasoline from underground storage tanks
  20. decompose break down