permanent gas

Show Summary Details

Quick Reference

A gas, such as oxygen or nitrogen, that was formerly thought to be impossible to liquefy. A permanent gas is now regarded as one that cannot be liquefied by pressure alone at normal temperatures (i.e. a gas that has a critical temperature below room temperature).

Subjects: Chemistry — Physics.

Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.