METACRITICAL

dense phase fluids that are ordinarily gaseous or liquid, namely, air, hydrocarbons, and refrigerants; dense phase working fluids that are ordinarily gaseous or liquid, namely, air and any of its constituent components, hydrocarbons, and refrigerants

dense phase fuels that are ordinarily gaseous or liquid, namely, natural gas, compressed natural gas, liquefied natural gas, and landfill gas