1. barometer an instrument that measures atmospheric pressure
  2. perimeter a line enclosing a plane area
  3. parameter a constant in the equation of a curve that can be varied
  4. gray matter greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons
  5. grey matter greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons
  6. germ theory (medicine) the theory that all contagious diseases are caused by microorganisms
  7. calorimeter a measuring instrument that determines quantities of heat
  8. katharometer measures thermal conductivity
  9. Jabiru mycteria large white stork of warm regions of the world especially America
  10. spirometer a measuring instrument for measuring the vital capacity of the lungs
  11. colorimeter a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents
  12. tabular matter information set out in tabular form
  13. promoter someone who is an active supporter and advocate
  14. power meter a meter for measuring the amount of electric power used
  15. pyrometer a thermometer designed to measure high temperatures
  16. cryometer a thermometer designed to measure low temperatures
  17. premature too soon or too hasty
  18. submitter someone who yields to the will of another person or force
  19. bay-rum tree West Indian tree; source of bay rum
  20. permute change the order or arrangement of