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Of or relating to the fourth power WordNet 3.0

Involving the fourth and no higher power of a quantity or degree Open English WordNet

Of a polynomial expression, involving only the second, third and fourth powers of a variable, as x4 + 3x2 + 2. Sometimes extended to any expression involving the biquadrate or fourth power (but no higher powers), as x4 − 4x3 + 3x2 − x + 1. Wiktionary

CATEGORY DOMAIN

DERIVATION

PERTAINYM

PERTAINYM (PERTAINS TO NOUNS)

biquadrate

WordNet 3.0 & Open English WordNet

biquadratic

Wiktionary

biquadratic