def
propane
By-product of natural gas processing and petroleum refining (C₃H₈)
meta
supertypes
marker |
Marker labels a dict with typing information |
---|---|
phenomenon |
Aspect of scientific interest with measurable quantities |
substance |
Matter in one the three states solid, liquid, or gas |
fluid |
Liquid or gas |
gas |
Substance with neither definite volume nor shape |