microplastic: meaning, definition, pronunciation and examples
C1Technical, Academic, News Media
Quick answer
What does “microplastic” mean?
An extremely small piece of plastic debris in the environment, typically measuring less than 5mm, resulting from the disposal and breakdown of consumer products and industrial waste.
Audio
Pronunciation
Definition
Meaning and Definition
An extremely small piece of plastic debris in the environment, typically measuring less than 5mm, resulting from the disposal and breakdown of consumer products and industrial waste.
The term has extended to refer to the pervasive nature of plastic pollution, the study of its ecological and health impacts, and has become a central concept in discussions of environmental contamination, human health, and the Anthropocene. It can also conceptually represent invisible, fragmented pollution.
Dialectal Variation
British vs American Usage
Differences
Spelling and usage are identical. Minor potential differences in typical phrasing, e.g., UK 'rubbish' vs. US 'trash/garbage' in related contexts, but 'microplastic' itself is standard.
Connotations
Identical strong negative connotation related to pollution and environmental harm.
Frequency
Equally frequent in scientific and environmental discourse in both varieties due to the global nature of the issue.
Grammar
How to Use “microplastic” in a Sentence
N + V (microplastics contaminate/accumulate/persist)V + N (filter/absorb/emit microplastics)Adj + N (ubiquitous/airborne/marine microplastic)N + Prep + N (microplastics in seafood/water/soil)Vocabulary
Collocations
Examples
Examples of “microplastic” in a Sentence
verb
British English
- [Not standard. No common verb form.]
American English
- [Not standard. No common verb form.]
adverb
British English
- [Not standard. No common adverb form.]
American English
- [Not standard. No common adverb form.]
adjective
British English
- The microplastic content of the sediment was alarmingly high.
- They conducted a microplastic analysis on the shellfish.
American English
- Researchers are studying microplastic pollution in the Great Lakes.
- A new filter aims to reduce microplastic contamination in laundry water.
Usage
Meaning in Context
Business
Used in CSR (Corporate Social Responsibility) reports, sustainability initiatives, and product lifecycle management discussions (e.g., 'phasing out microplastic beads').
Academic
Core term in environmental science, marine biology, toxicology, and chemistry research papers. Often quantified and characterised by size, polymer type, and source.
Everyday
Used in news articles, documentaries, and environmental awareness campaigns. A layperson might say, 'I heard there's microplastic in tap water.'
Technical
Precisely defined by size (e.g., <5mm, 1nm-5mm), origin (primary: manufactured; secondary: fragmented), and polymer composition (e.g., polyethylene, polypropylene).
Vocabulary
Synonyms of “microplastic”
Strong
Neutral
Weak
Vocabulary
Antonyms of “microplastic”
Watch out
Common Mistakes When Using “microplastic”
- Confusing 'microplastic' (material) with 'microbead' (a specific manufactured type). Using it as only an uncountable noun (e.g., 'too much microplastic') when referring to discrete particles is more common. Misspelling as 'micro-plastic' (hyphen is often dropped in modern usage).
FAQ
Frequently Asked Questions
No. Microbeads are a type of primary microplastic, intentionally manufactured tiny plastic spheres used in products like cosmetics and toothpaste. 'Microplastic' is the broader category encompassing all tiny plastic fragments, including those from broken-down larger items (secondary microplastics).
Some larger microplastics (close to 5mm) might be visible, but most are microscopic and require specialised equipment to be seen clearly.
They come from two main sources: 1) Primary: Manufactured small plastics (e.g., microbeads, plastic pellets/nurdles). 2) Secondary: The breakdown of larger plastic waste (bags, bottles, fishing nets) through sunlight, wind, and wave action.
Due to their small size, they can be ingested by a wide range of organisms, entering the food chain. They may cause physical harm, leach chemical additives, and absorb and transport other environmental pollutants.
An extremely small piece of plastic debris in the environment, typically measuring less than 5mm, resulting from the disposal and breakdown of consumer products and industrial waste.
Microplastic is usually technical, academic, news media in register.
Microplastic: in British English it is pronounced /ˈmaɪ.krəʊˌplæs.tɪk/, and in American English it is pronounced /ˈmaɪ.kroʊˌplæs.tɪk/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms. The word itself is a technical term.]”
Learning
Memory Aids
Mnemonic
Think: MICRO (very small) + PLASTIC. Imagine using a MICROscope to see tiny PLASTIC bits polluting the ocean.
Conceptual Metaphor
INVISIBLE POISON / FRAGMENTED LEGACY (of consumerism) / SYNTHETIC DUST
Practice
Quiz
What is the typical size threshold that defines a plastic particle as a 'microplastic'?