Biquadratic
Definition of Biquadratic
Bi`quad`rat´ic
a.
1.
(Math.)
Of
or
pertaining
to
the
biquadrate
,
or
fourth
power
.
Biquadratic equation
(Alg.)
an
equation
of
the
fourth
degree
,
or
an
equation
in
some
term
of
which
the
unknown
quantity
is
raised
to
the
fourth
power
.
Biquadratic root of a number
the
square
root
of
the
square
root
of
that
number
.
Thus
the
square
root
of
81
is
9
,
and
the
square
root
of
9
is
3
,
which
is
the
biquadratic
root
of
81
.
Hutton
.
n.
1.
(Math.)
A
biquadrate
.
Related Words
biquadrate
,
fourth
power
,
quartic
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