Definition of "biopolymer" [biopolymer]

• A macromolecule in a living organism that is formed by linking together several smaller molecules, as a protein from amino acids or DNA from nucleotides. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "A biopolymer is a naturally-derived alternative to synthetic polymers, which are long molecules that join other molecules together."
• "Italy-based Leoplast Group, which uses natural vegetable-based and renewable sources such as biopolymer produced by NatureWorks LLC, said companies don’t realize the kind of impact they can have by using more eco-friendly packaging."
• "Braskem The Brazilian chemical giant Braskem just started up the world 's largest biopolymer facility."