Adjective: incoercible ,in-kow'ur-su-bul
- Not capable of being reduced to liquid form by pressure - said of any gas above its critical point
"Helium remains incoercible at room temperature"
- Not able to be coerced or compelled
"His incoercible spirit refused to be broken by the oppressive regime"
- Unable to be confined in or excluded from vessels, unlike ordinary fluids or gases
"The incoercible nature of certain subatomic particles makes them difficult to study"