The term "liquid gas" can have various synonyms depending on its context. One common synonym is liquefied petroleum gas (LPG) which is a mixture of propane and butane commonly used for heating and cooking. Another synonym for liquid gas is compressed natural gas (CNG) which is a fuel often used in vehicles and industrial settings. Ethane and methane are also considered liquid gases at specific temperatures and pressures. Another related term to liquid gas is liquefied natural gas (LNG) which is natural gas that has been cooled and condensed to a liquid state for storage and transportation. Other terms that can be used depending on the specific situation include liquid propane, liquid butane, and liquid fuel.