toqus
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acid
adjective
Tasting
sharp
and
sour
,
or
having
the
chemical
qualities
of
an
acid
.
•
The
grapefruit
had
an
unexpectedly
acid
flavor
.
The
grapefruit
had
an
unexpectedly
acid
flavor
.
•
Her
smile
vanished
after
tasting
the
acid
soup
.
Her
smile
vanished
after
tasting
the
acid
soup
.
Extension
of
the
noun
sense
to
describe
taste
and
chemical
property
.
noun
A
substance
,
usually
sour
and
corrosive
,
that
has
a
pH
lower
than
7
and
can
react
with
bases
and
some
metals
.
•
In
the
lab
,
the
students
added
the
strong
acid
to
the
metal
and
watched
bubbles
form
.
In
the
lab
,
the
students
added
the
strong
acid
to
the
metal
and
watched
bubbles
form
.
•
Vinegar
is
a
weak
acid
that
you
can
find
in
any
kitchen
.
Vinegar
is
a
weak
acid
that
you
can
find
in
any
kitchen
.
From
Latin
acidus
“
sour
”
or
“
sharp
,”
originally
describing
the
taste
of
sour
wine
.
adjective
Describing
speech
or
behaviour
that
is
sharply
critical
,
bitter
,
or
hurtful
.
•
She
couldn
’
t
ignore
his
acid
remark
about
her
cooking
.
She
couldn
’
t
ignore
his
acid
remark
about
her
cooking
.
•
The
critic
’
s
acid
review
hurt
the
debut
novelist
.
The
critic
’
s
acid
review
hurt
the
debut
novelist
.
Metaphorical
extension
from
the
sting
of
a
sour
substance
to
the
sting
of
harsh
words
,
first
recorded
in
the
18th
century
.
noun
-
acid
A
slang
name
for
the
illegal
hallucinogenic
drug
LSD
.
•
He
claimed
the
swirling
colors
were
proof
the
acid
had
kicked
in
.
He
claimed
the
swirling
colors
were
proof
the
acid
had
kicked
in
.
•
The
police
found
small
blotter
papers
soaked
in
acid
in
the
suspect
’
s
wallet
.
The
police
found
small
blotter
papers
soaked
in
acid
in
the
suspect
’
s
wallet
.
Slang
sense
appeared
in
the
early
1960s
,
comparing
the
drug
’
s
mind-altering
effect
to
the
corrosive
power
of
chemical
acids
.
