| Share | Phrase |
| 40.29% | adiabatic [physical/chemical] expansion |
| 23.15% | adiabatic [physical/chemical] compression |
| 13.06% | adiabatic [physical/chemical] temperature |
| 12.27% | adiabatic [physical/chemical] engine |
| 6.23% | adiabatic [physical/chemical] process |
| 4.97% | adiabatic [physical/chemical] material |