Inert gas (4)
'inert gas' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for argon that I've seen before include "something inert and insubstantial" , "Inert gas, symbol Ar" , "Chemical element" , "Inert gas used in light bulbs" , "Gas, 1% of atmosphere" .)
'inert gas' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for radon that I've seen before include "Gaseous element, Rn" , "Rare noble gas" , "Radioactive gas, linked to granite" , "Element, symbol Rn" , "Natural gas considered a hazard to health" .)
'inert gas' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for xenon that I've seen before include "Inert 18" , "Noble element" , "Inert gas, Xe" , "member of nobility?" , "Gas used in bright lamps" .)
'inert gas' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for neon that I've seen before include "Gaseous element, in advertising sign say" , "Small plant; colour" , "Brightly coloured advertising sign" , "Gas used in fluorescent lamps" , "Gaseous element, in advertising signs, say" .)
(Another definition for idle gossip that I've seen is " Conversation".)
'inert gas' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for krypton that I've seen before include "Noble gas - Superman's birthplace" , "Noble gas, Kr" , "Superman's world and a gas" , "Inert gas used in florescent lights (7)" , "Inert gas (symbol Kr)" .)