natural gas
Concise Oxford English Dictionary © 2008 Oxford University Press:
natural gas
▶noun flammable gas, consisting largely of methane and other hydrocarbons, occurring naturally underground and used as fuel.
'natural gas' also found in these Oxford entries:
alternative fuel
- butane
- CNG
- ethane
- ethylene
- hydrocarbon
- LNG
- methane
- petrochemical
- propane
- royalty
- sour

