polymer

noun

poly·​mer ˈpä-lə-mər 

: a chemical compound or mixture of compounds formed by polymerization and consisting essentially of repeating structural units

polymeric

ˌpä-lə-ˈmer-ik 

adjective

polymerism

pə-ˈli-mə-ˌri-zəm  ˈpä-lə-mə- 

noun

polymerlike

ˈpä-lə-mər-ˌlīk 

adjective

Examples of polymer in a Sentence

Recent Examples on the Web

By August 2022, the company’s subsequent international applications detailed a process for breaking down high-performance nylon and polyester polymer blends into new fibers. —Alexandra Harrell, Footwear News, 12 May 2026

One of the enzymes cuts the long polymer chains at multiple points, rapidly weakening the plastic structure. —New Atlas, 11 May 2026

Instead of relying only on new polymer chemistries, engineers may be able to improve performance by precisely tuning anion size and purity levels. —Neetika Walter, Interesting Engineering, 8 May 2026

The region imports around 70% of its supply of naphtha, a petrochemical feedstock used to produce polymers like polyethylene (PE) and polyethylene terephthalate (PET), from the Middle East. —Angelica Ang, Fortune, 6 May 2026

Word History

Etymology

International Scientific Vocabulary, back-formation from polymeric, from Greek polymerēs having many parts, from poly- + meros part — more at merit entry 1

First Known Use

1866, in the meaning defined above

Phrases Containing polymer

• high polymer

Rhymes for polymer

• biopolymer
• homopolymer
• copolymer

Kids Definition

polymer

noun

poly·​mer ˈpäl-ə-mər 

: a chemical compound or mixture of compounds that is formed by combination of smaller molecules and consists basically of repeating structural units

polymeric

ˌpäl-ə-ˈmer-ik 

adjective

Medical Definition

polymer

noun

poly·​mer ˈpäl-ə-mər 

: a chemical compound or mixture of compounds formed by polymerization and consisting essentially of repeating structural units