polyethylene: meaning, definition, pronunciation and examples
C2Technical / Scientific / Industrial / Everyday (in contexts like recycling or packaging)
Quick answer
What does “polyethylene” mean?
A common synthetic polymer (plastic) made from ethylene, used for packaging, containers, and many other products.
Audio
Pronunciation
Definition
Meaning and Definition
A common synthetic polymer (plastic) made from ethylene, used for packaging, containers, and many other products.
A versatile thermoplastic material characterized by its lightweight, chemical resistance, and flexibility, with various densities (e.g., LDPE, HDPE) determining its specific properties and applications.
Dialectal Variation
British vs American Usage
Differences
UK English frequently uses 'polythene' as a common, everyday term, while 'polyethylene' is more formal/technical. US English almost exclusively uses 'polyethylene' across all registers.
Connotations
In the UK, 'polythene' can sound slightly more everyday (e.g., 'a polythene bag'), whereas 'polyethylene' sounds scientific. In the US, no such distinction exists.
Frequency
'Polythene' is significantly more common in UK English than in US English, where it is rare.
Grammar
How to Use “polyethylene” in a Sentence
[be] made of/from polyethylene[noun] + of polyethylenepolyethylene + [noun] (as a modifier)Vocabulary
Collocations
Examples
Examples of “polyethylene” in a Sentence
verb
British English
- (No standard verb form)
American English
- (No standard verb form)
adverb
British English
- (No standard adverb form)
American English
- (No standard adverb form)
adjective
British English
- (Used attributively as a noun modifier) The polythene sheeting blew away in the wind.
- The polyethylene-based coating provides excellent protection.
American English
- (Used attributively as a noun modifier) The polyethylene film is used for greenhouse covers.
- We need a polyethylene-lined container.
Usage
Meaning in Context
Business
In supply chain and manufacturing: 'The cost of virgin polyethylene resin has increased this quarter.'
Academic
In chemistry and materials science: 'The crystallinity of the polyethylene sample was analyzed using XRD.'
Everyday
In recycling and domestic contexts: 'Please rinse your polyethylene bottles before putting them in the recycling bin.'
Technical
In engineering specifications: 'The conduit shall be constructed from high-density polyethylene (HDPE) with a minimum wall thickness of 10mm.'
Vocabulary
Synonyms of “polyethylene”
Vocabulary
Antonyms of “polyethylene”
Watch out
Common Mistakes When Using “polyethylene”
- Misspelling as 'polyethelene' (incorrect vowel).
- Using it as a countable noun (e.g., 'a polyethylene' – incorrect; should be 'a piece of polyethylene' or 'a polyethylene product').
FAQ
Frequently Asked Questions
There is no chemical difference. 'Polythene' is a trade name that became a generic term, predominantly used in UK English. 'Polyethylene' is the standardized scientific name and is preferred in US English and technical contexts globally.
Traditional polyethylene is not readily biodegradable. It persists in the environment for a very long time, which is a major environmental concern. However, research into biodegradable or oxo-degradable versions is ongoing.
The number '2' inside the recycling triangle indicates High-Density Polyethylene (HDPE). It is commonly used for sturdy containers like milk jugs, detergent bottles, and some plastic bags.
Yes, polyethylene (both HDPE and LDPE) is widely recyclable. However, the feasibility depends on local recycling facilities. It should be clean and free of food residue to avoid contaminating the recycling stream.
A common synthetic polymer (plastic) made from ethylene, used for packaging, containers, and many other products.
Polyethylene is usually technical / scientific / industrial / everyday (in contexts like recycling or packaging) in register.
Polyethylene: in British English it is pronounced /ˌpɒl.iˈɛθ.əl.iːn/, and in American English it is pronounced /ˌpɑː.liˈɛθ.ə.liːn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “(none specific to this technical term)”
Learning
Memory Aids
Mnemonic
Think: 'POLY' (many) + 'ETHYLENE' (the starting gas). Many ethylene molecules link together to make polyethylene.
Conceptual Metaphor
A CHAIN: Polyethylene is conceptually a long, repeating chain of connected units.
Practice
Quiz
Which of the following is a common British English synonym for 'polyethylene'?