Word Study
quadrinomial
CIDE DICTIONARY
quadrinomial, n. [Quadri- + nomial, as in binomial: cf. F. quadrinôme.].
A polynomial of four terms connected by the signs plus or minus. [1913 Webster]
OXFORD DICTIONARY
quadrinomial, n. & adj. Math.
--n. an expression of four algebraic terms.
--adj. of or being a quadrinomial.
--n. an expression of four algebraic terms.
--adj. of or being a quadrinomial.
Etymology
QUADRI- + Gk nomos part, portion
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