Definitions

1. noun

A monomer that can polymerize with two different types of monomers, typically to form a block or graft copolymer.

“The researcher studied the properties of various comonomers to develop a new type of plastic.”

2. noun

A monomer that is present in addition to a principal monomer in a polymerization reaction.

“The polymer chemist identified the comonomer as a key factor in the material’s improved strength.”