What does incondensible mean?
Incondensible is a formal, chiefly technical adjective meaning incapable of being condensed into a denser state, especially a liquid or solid. In discussions of gases, it describes a gas that cannot be liquefied by pressure alone under the conditions in question; the term also applies more generally to matter that will not undergo condensation. The expression is associated especially with older physics and thermodynamics, while modern scientific writing often prefers noncondensable. Condensable is its direct contrast: a condensable substance can pass into a denser phase, whereas an incondensible one cannot under the stated conditions. Incompressible is related but not identical, because compressibility concerns the reduction of volume under pressure rather than a change of phase. Incondensible therefore describes a boundary or limitation in a physical process, not emotional intensity, despite the word's potential to sound literary or absolute. It is useful when precision matters, especially in technical explanations of pressure, phase change, and the behavior of gases.
adjectiveIncapable of being condensed into a denser form, especially a liquid or solid.
- Incapable of being condensed into a denser form, especially a liquid or solid; specifically, unable to be liquefied by pressure alone under the stated conditions.
"The gas remained incondensible because pressure alone could not liquefy it at that temperature."
"An incondensible gas cannot be liquefied merely by increasing pressure at a fixed temperature."
"In that model, the material remained an incondensible substance even under extreme pressure."
Above a gas's critical temperature, pressure alone cannot make it liquid—an incondensible gas.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does incondensible come from?
The word was formed in early 17th-century English from the Latin-derived combining form in-, meaning “not,” and condensable. Its core vocabulary comes through Latin from condēnsāre, “to condense” or “make dense,” which is related to dēnsus, “dense.” English cognates include condensation, condensate, condense, and condensable; the negative prefix gives incondensible its specialized sense of “not able to be condensed.”
How incondensible is actually used
This is a rare, formal word associated especially with physics, thermodynamics, and older scientific writing. Modern technical usage often prefers noncondensable. Its scope depends on the conditions being discussed, so it should not be treated as an absolute claim about a substance under every possible circumstance.
Easily confused with incondensible
Incompressible means resistant to a reduction in volume under pressure, whereas incondensible means unable to undergo condensation into a denser phase.