(algebra) Any algebraic equation in which one or both sides are in the form of a polynomial.

(of a word) Having more than one syllable; having multiple or many syllables. / (of spoken or written language) Characterized by or consisting of words having numerous syllables.

A word having more than one syllable

(geometry) A polyform made by joining right isosceles triangles edge to edge in various arrangements.

(organic chemistry, chiefly Britain) A light thermoplastic used in packaging etc.; polyethylene.

Of, relating to, or practicing polygamy. / (botany) Exhibiting polygamy.

(medicine) An abnormal growth protruding from a mucous membrane. / (zoology) A cylindrical coelenterate, such as the hydra, having a mouth surrounded with tentacles.

(organic chemistry) Any of various polymeric resins containing urethane links; used in very many industrial and domestic applications.

(music) Musical texture consisting of several independent melodic voices, as opposed to music with just one voice (monophony) or music with one dominant melodic voice accompanied by chords (homophony).

Of or pertaining to polyandry; engaging in polyandry. / (botany) Belonging to the class Polyandria; having many stamens inserted in the receptacle.