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biquadratic

[bahy-kwo-drat-ik] /ˌbaɪ kwɒˈdræt ɪk/ Mathematics
adjective
1.
involving the fourth, but no higher, power of the unknown or variable.
noun
2.
quartic (def 2).
Origin of biquadratic
1655-1665
First recorded in 1655-65; bi-1 + quadratic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for biquadratic

biquadratic

/ˌbaɪkwɒˈdrætɪk/
adjective
1.
of or relating to the fourth power
noun
2.
a biquadratic equation, such as x4 + x + 6 = 0
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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