Chemical Compound Made From Many Repeating Units
Puzzle 2 of Anthropology Hard Pack
Question is: Chemical Compound Made From Many Repeating Units
and the answer is: POLYMER
Word Meaning:
POLYMER — (organic chemistry) A long or larger molecule consisting of a chain or network of many repeating units, formed by chemically bonding together many identical or similar small molecules called monomers. A polymer is formed by polymerization, the joining of many monomer molecules.
Definitions from Wiktionary.