
line connecting points of varying conditions under constant volume
Found on
http://phrontistery.info/i.html

• (n.) A line upon a thermodynamic diagram so drawn as to represent the pressures corresponding to changes of temperature when the volume of the gas operated on is constant.
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http://thinkexist.com/dictionary/meaning/isochor/

I'so·chor noun [ Iso- + Greek xhw`ra space.] (Physics) A line upon a thermodynamic diagram so drawn as to represent the pressures corresponding to changes of temperature when the volume of the gas operated on is constant. -- I`so*chor'ic adjective
Found on
http://www.encyclo.co.uk/webster/I/101

for a given substance, a curve graphing temperature against pressure, when the volume of the substance is held constant.
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https://www.infoplease.com/dictionary/isochor
No exact match found.