Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “polythene”

polythene

noun [U] uk   /ˈpɒl.ɪ.θiːn/ us    /ˈpɑː.lɪ-/ (US also polyethylene)
a light, usually thin, soft plastic, often used for making bags or for keeping things dry or fresh: a polythene bag They covered the broken windows with sheets of polythene.Plastics and rubber
(Definition of polythene from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of polythene?
Add Cambridge dictionaries to your browser to your website

Definitions of “polythene” in other dictionaries

Word of the Day

microbrewery

a small company that makes beer, usually using traditional methods, and often has a restaurant where its beer is served

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More