toqus
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acid
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
.
