A generic term for liquefied and pressurized gas, ordinarily butane, propane, or a mixture of the two, contained in a cylinder for domestic use.

several of the lighter hydrocarbons, such as propane, butane, pentane and mixtures for these gases are liquefied and employed as fuels. These so called bottled gases, which are usually stored in steel cylinders, make possible the use of appliances such as cooking stoves and heaters in localities where a centralized gas supply is not available.

The liquefied petroleum gases propane and butane, contained under moderate pressure (about 125 pounds per square inch and 30 pounds per square inch respectively), in cylinders.

Bottled gas is a term used for substances which are gasous at Standard temperature and pressure (STP) and have been compressed and stored in carbon steel, stainless steel, aluminum or composite bottles known as gas cylinders.