gas and air
English
Noun
gas
and
air
(
uncountable
)
An
equal
mixture of
nitrous oxide
and
oxygen
, used as a mild
analgesic
and
anaesthetic
, particularly during
childbirth
, for
dental
procedures, and in emergency medicine.
Synonyms
Entonox
(
one particular brand
)
Anagrams
ardi gasna
,
Drăgășani
,
Asgardian