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1. nitrogen dioxide
noun.
A
highly
poisonous
brown
gas
(NO2).
Synonyms
gas
dioxide
Antonyms
understate
unleaded gasoline
leaded gasoline
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2. nitrogen-bearing
adjective.
Of
or
relating
to
or
containing
nitrogen.
Synonyms
nitrogenous
3. nitrogen
noun.
(ˈnaɪtrədʒən)
A
common
nonmetallic
element
that
is
normally
a
colorless
odorless
tasteless
inert
diatomic
gas;
constitutes
78
percent
of
the
atmosphere
by
volume;
a
constituent
of
all
living
tissues.
Synonyms
chemical element
azote
N
gas
air
liquid nitrogen
atomic number 7
element
Antonyms
understate
unleaded gasoline
leaded gasoline
defend
wet
Etymology
nitrogen (English)
nitrogène (French)
4. dioxide
noun.
(daɪˈɑːkˌsaɪd)
An
oxide
containing
two
atoms
of
oxygen
in
the
molecule.
Synonyms
sulfur dioxide
sulphur dioxide
carbonic acid gas
nitrogen dioxide
CO2
chlorine dioxide
oxide
carbon dioxide
Etymology
dioxide (English)
di- (English)
δία (Ancient Greek (to 1453))
δίς (Ancient Greek (to 1453))
oxide (English)
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