1. optical pyrometer a pyrometer that uses the color of the light emitted by a hot object
  2. lobster thermidor diced lobster mixed with Mornay sauce placed back in the shell and sprinkled with grated cheese and browned
  3. daisywheel printer a printer that uses a daisy print wheel
  4. Hubble parameter (cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer; the Hubble constant is not actually a constant, but is regarded as measuring the expansion rate today
  5. polarimeter an optical device used to measure the rotation of the plane of vibration of polarized light
  6. Passiflora foetida tropical American passion flower with finely dissected bracts; stems malodorous when crushed
  7. wiper motor electric motor that moves the windshield wiper
  8. Alsophila pometaria North American moth with grey-winged males and wingless females; larvae are fall cankerworms
  9. spirometer a measuring instrument for measuring the vital capacity of the lungs
  10. spherometer a measuring instrument for measuring the curvature of a surface
  11. parallel port an interface between a computer and a printer where the computer sends multiple bits of information to the printer simultaneously
  12. evaporometer an instrument that measures rate of evaporation of water
  13. spermatic consisting of or resembling spermatozoa
  14. woolly bear moth larva of moth of the family Arctiidae
  15. piece of leather a separate part consisting of leather
  16. perimeter a line enclosing a plane area
  17. power meter a meter for measuring the amount of electric power used
  18. spermatid an immature gamete produced by a spermatocyte
  19. low-level formatting (computer science) the format of sectors on the surface of a hard disk drive so that the operating system can access them and setting a starting position
  20. potassium bromide a white crystalline salt (KBr) used as a sedative and in photography