Flammable gas (6)
'flammable gas' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for methane that I've seen before include "Greenhouse gas produced by cows" , "simplest hydrocarbon" , "Marsh-gas" , "Marsh gas - the name (anag)" , "Combustible atmosphere" .)
(Other definitions for propane that I've seen before include "Bottle gas" , "A hydrocarbon gas" , "Gas used as fuel" , "gaseous fuel" , "Type of gas" .)
'flammable gas' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for ethane that I've seen before include "Flammable hydrocarbon" , "Compound" , "Flammable gas; eat hen (anagram)" , "Chemical" , "Athene (anag.); a colourless gas" .)
'flammable gas' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for butane that I've seen before include "Lighter fuel" , "Flammable gas in petroleum" , "Bottled gas used as a fuel" , "Inflammable gas produced from petrol" .)