P

polymer

A chemical compound  that is composed of macromolecules (large molecules) that contain chains or collections of repeating structural units (monomers). Often used to refer to  plastics, polymers can however also be natural materials.

T

thermosetting polymer

A two component polymer that turns from a highly malleable or semi-liquid mass into a non-deformable solid after application of the hardner. Some elasticity may remain.

P