Molecule That Binds to Other Identical Molecules

This page is the CodyCross answer for the clue below from A Sweet Life, Group 1090, Puzzle 3 (Vanilla Ice Cream).

Question is: Molecule That Binds to Other Identical Molecules

and the answer is: MONOMER

Word Meaning:

MONOMER — (chemistry) A relatively small molecule which can be covalently bonded to other monomers to form a polymer or oligomer.

Definitions from Wiktionary.