Definition of quadrinomial in English:

quadrinomial

Pronunciation /ˌkwɒdrɪˈnəʊmɪəl/

adjective

  • Having or using four names; (Mathematics) consisting of four algebraic terms joined by signs of addition or subtraction.

noun

Mathematics
  • A quadrinomial expression.

Origin

Late 17th century. From quadri- + -nomial.