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Polymer

UK //ˈpɒlɪmər// US //ˈpɑː.lɪ.mɚ// Pronunciation

Definition

A substance composed of large molecules made up of repeated smaller units.

Listen to definition

In simple words: A large molecule made of many smaller units.

Examples

• The **polymer** was tested for its strength and flexibility.
• Many everyday items, like plastic bags, are made of **polymer** materials.
• Scientists are researching new types of **polymers** for medical applications.
• Natural **polymer** sources, such as cellulose, are important in industry.
• Understanding the properties of **polymers** is essential in materials science.

Usage notes

Used in scientific contexts, particularly in chemistry and materials science. Not suitable for casual conversation.

Grammar pattern

countable noun

Memory hint

Think of 'many pieces' - 'poly-' means many, and '-mer' means parts.

Collocations

• synthetic polymer
• natural polymer
• polymer chain
• polymer synthesis
• biodegradable polymer

Synonyms

• macromolecule
• compound
• material
• synthetic polymer
• biopolymer

Common mistakes

• Confused with 'polymerization', which is the process of forming polymers.
• Using 'polymers' as a singular noun; it's a plural form.
• Assuming all polymers are synthetic; some are natural.