| Py | a thermometer designed to measure high temperatures |
|---|---|
| Py | a pyrometer consisting of a series of cones that melt at different temperatures |
| Py | a mineral consisting of lead chloride and phosphate |
| Py | a deep red garnet used as a gemstone |
| Py | a morbid fear of fire |
| Py | an alloy that emits sparks when struck or scratched with steel |
| Py | tropical click beetles |
| Py | tropical American click beetle having bright luminous spots |
| Py | a salt or ester of pyrophosphoric acid |
| Py | a solid acid formed by reactions of orthophosphoric acid |
| Py | a white or greenish aluminum silicate mineral (resembles talc) |
| Py | a pyrometer that uses the color of the light emitted by a hot object |