multinomial

[muhl-ti-noh-mee-uh l] /ˌmʌl tɪˈnoʊ mi əl/
noun, Algebra Now Rare.
1.
polynomial (def 3c).
Origin
1600-10; multi- + -nomial, on the model of polynomial, binomial
British Dictionary definitions for multinomial

multinomial

/ˌmʌltɪˈnəʊmɪəl/
noun
1.
another name for polynomial (sense 2b)
Word Origin
C17: from multi- + -nomial as in binomial
multinomial in Science
multinomial
  (mŭl'tĭ-nō'mē-əl)   
See polynomial.