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1. sodium hydrogen carbonate
noun.
A
white
soluble
compound
(NaHCO3)
used
in
effervescent
drinks
and
in
baking
powders
and
as
an
antacid.
Synonyms
saleratus
hydrogen carbonate
bicarbonate
baking soda
sodium bicarbonate
bicarbonate of soda
2. sodium-vapour lamp
noun.
Lamp
in
which
an
electric
current
passed
through
a
tube
of
sodium
vapor
makes
a
yellow
light;
used
is
street
lighting.
Synonyms
sodium-vapor lamp
lamp
3. sodium-vapor lamp
noun.
Lamp
in
which
an
electric
current
passed
through
a
tube
of
sodium
vapor
makes
a
yellow
light;
used
is
street
lighting.
Synonyms
sodium-vapour lamp
lamp
4. hydrogen-bomb
verb.
Attack
with
a
hydrogen
bomb.
Synonyms
bombard
bomb
Antonyms
defend
dumb bomb
smart bomb
5. carbonate
noun.
(ˈkɑːrbəˌneɪt)
A
salt
or
ester
of
carbonic
acid
(containing
the
anion
CO3).
Synonyms
salt
calcium carbonate
Lithane
ammonium carbonate
lithium carbonate
bicarbonate
magnesium carbonate
Eskalith
Lithonate
hydrogen carbonate
potassium carbonate
Antonyms
dull
decrease
irreversible process
increase
devolution
Etymology
carbonate (English)
carbonate (French)
carbonatem (Latin)
carbo (Latin)
6. carbonate
verb.
(ˈkɑːrbəˌneɪt)
Turn
into
a
carbonate.
Synonyms
change
Antonyms
stay
evolution
Etymology
carbonate (English)
carbonate (French)
carbonatem (Latin)
carbo (Latin)
7. carbonate
verb.
(ˈkɑːrbəˌneɪt)
Treat
with
carbon
dioxide.
Synonyms
process
treat
Antonyms
increment
reversible process
decrement
Etymology
carbonate (English)
carbonate (French)
carbonatem (Latin)
carbo (Latin)
8. hydrogen
noun.
(ˈhaɪdrədʒən)
A
nonmetallic
univalent
element
that
is
normally
a
colorless
and
odorless
highly
flammable
diatomic
gas;
the
simplest
and
lightest
and
most
abundant
element
in
the
universe.
Synonyms
atomic number 1
chemical element
gas
tritium
H
H2O
water
element
Antonyms
understate
unleaded gasoline
leaded gasoline
defend
fresh water
Etymology
hydrogen (English)
hydrogène (French)
-gène (French)
hydro- (French)
ὑδρο- (Ancient Greek (to 1453))
9. sodium
noun.
(ˈsoʊdiːəm)
A
silvery
soft
waxy
metallic
element
of
the
alkali
metal
group;
occurs
abundantly
in
natural
compounds
(especially
in
salt
water);
burns
with
a
yellow
flame
and
reacts
violently
in
water;
occurs
in
sea
water
and
in
the
mineral
halite
(rock
salt).
Synonyms
halite
saltwater
metal
seawater
brine
Na
rock salt
atomic number 11
metallic element
Antonyms
fresh water
nonmetallic
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bittersweet
potential
white-person
good
out-of-the-box-thinking
jalopy
manifestation
animal-lover
beautiful
philander
helmsman
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gujarati
masochist
one-legged
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