7 letters · 14 points in Scrabble
noun a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers
originFrom poly- + -mer, from Ancient Greek πολύς (polús, “many”) + μέρος (méros, “part”). Coined by Jöns Jacob Berzelius in 1833, though his definition was quite different from the modern one.
Etymology from Wiktionary, CC BY-SA 3.0