biquadrate

[ bahy-kwod-reyt, -rit ]
/ baɪˈkwɒd reɪt, -rɪt /

noun Mathematics.

the fourth power.
Also biquadratic.

Origin of biquadrate

First recorded in 1700–10; bi-1 + quadrate

British Dictionary definitions for biquadrate

biquadrate
/ (baɪˈkwɒdreɪt, -rɪt) /

noun

maths the fourth power