| Term | Definition |
|---|
| propellant | a driving force; an explosive substance |
| pulsate | to vibrate |
| repulsive | tending to drive or back away; disgusting |
| pulse | any regular beat, vibration, etc. |
| repellant | that which is resistant; pushing away |
| expulsion | the act of driving or forcing out |
| pyrogenic | produced by heat |
| pyrography | process of burning designs on wood or leather with heated tools |
| pyrometric | of or relating to the measuring of high temperatures |
| pyromania | an irresistible impulse to start fires |
| pyrotechnics | the science of fireworks |
| ridicule | to diminish by making fun of; to mock |
| derisory | worthy of scorn; ridiculously small amount |
| ridiculous | comical; absurd; unreasonable |
| derision | contempt; the act of mocking or making fun of |
| risibility | an ability or inclination to laugh |
Combine with other sets
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