clean technology: meaning, definition, pronunciation and examples
B2Formal/Technical (Business, Academic, Policy, Journalism)
Quick answer
What does “clean technology” mean?
Technology, services, and processes designed to reduce environmental harm, energy consumption, waste, and pollution.
Audio
Pronunciation
Definition
Meaning and Definition
Technology, services, and processes designed to reduce environmental harm, energy consumption, waste, and pollution.
A sector and set of practices encompassing renewable energy (solar, wind), energy efficiency, green transportation, sustainable materials, water purification, and waste management. Often used synonymously with 'green tech' and 'cleantech', it implies a competitive, scalable, and market-oriented approach to environmental solutions.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. 'Cleantech' is common in both varieties as an industry shorthand. Spelling follows local conventions (e.g., centre/center in related terms).
Connotations
In both varieties, the term carries positive connotations of innovation, progress, and responsibility. In UK/EU policy contexts, it is tightly linked to carbon reduction targets. In the US, it may carry stronger connotations of venture capital and market disruption.
Frequency
High frequency in professional, academic, and media contexts related to environment, energy, and business. Low frequency in casual everyday conversation.
Grammar
How to Use “clean technology” in a Sentence
[Company/Country] + invests in + clean technology[Policy/Subsidy] + promotes + the adoption of + clean technologyThe development of + clean technology + requires + [capital/research]Vocabulary
Collocations
Examples
Examples of “clean technology” in a Sentence
verb
British English
- The government aims to **clean-tech** the economy.
- We need to **clean-techify** our industrial base.
American English
- The company is working to **cleantech** its operations.
- They plan to **clean-tech** their manufacturing process.
adverb
British English
- The plant was redesigned **clean-tech-ly**.
- They are investing **clean-technologically**.
American English
- The firm operates **clean-tech-smart**.
- They developed the product **cleantech-first**.
adjective
British English
- The **clean-technology** sector is expanding rapidly.
- They attended a **clean-tech** conference in London.
American English
- She works for a **cleantech** startup in Boston.
- It was a major **clean-technology** breakthrough.
Usage
Meaning in Context
Business
Refers to a high-growth investment sector, start-ups, and competitive advantage. (e.g., 'Our venture fund focuses on early-stage clean technology.')
Academic
Analysed in terms of its environmental impact, economic viability, policy frameworks, and innovation pathways. (e.g., 'The paper models the diffusion of clean technology in emerging economies.')
Everyday
Used generally when discussing renewable energy, electric cars, or recycling. (e.g., 'We should use more clean technology like solar panels.')
Technical
Specifies particular engineering processes, efficiency metrics, emission reduction data, or material science. (e.g., 'The clean technology captures 95% of CO2 emissions post-combustion.')
Vocabulary
Synonyms of “clean technology”
Strong
Neutral
Weak
Vocabulary
Antonyms of “clean technology”
Watch out
Common Mistakes When Using “clean technology”
- Using 'clean technology' to refer only to hygiene tech (e.g., cleaning equipment).
- Confusing it with 'appropriate technology', which is small-scale and context-specific, not necessarily 'clean'.
- Incorrect pluralisation: it's typically used as an uncountable noun ('invest in clean technology'), though 'clean technologies' is possible when listing distinct types.
FAQ
Frequently Asked Questions
The terms are largely synonymous and often used interchangeably. Some argue 'green' is broader, encompassing lifestyle and philosophy, while 'clean' focuses more specifically on the technological outputs of reduced emissions and pollution. 'Cleantech' is a common industry abbreviation for both.
It is an accepted term in business, finance, and industry journalism, making it formal in those contexts. For academic writing or official policy documents, 'clean technology' or 'green technology' may be preferred for full formality.
Typically, it refers to hardware and physical processes (e.g., solar panels, water filters). However, software that significantly optimises energy use in grids, buildings, or transport ('smart grids', 'building management systems') is increasingly considered an enabling part of the clean technology ecosystem.
The conceptual opposite is often called 'dirty' or 'polluting technology', referring to established, high-emission industries like coal-fired power generation, internal combustion engines, or heavy manufacturing with minimal pollution controls.
Technology, services, and processes designed to reduce environmental harm, energy consumption, waste, and pollution.
Clean technology: in British English it is pronounced /ˌkliːn tekˈnɒlədʒi/, and in American English it is pronounced /ˌkliːn tekˈnɑːlədʒi/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “The cleantech revolution”
- “A clean tech boom”
- “To bet on cleantech”
Learning
Memory Aids
Mnemonic
Think of CLEAN TECHNOLOGY as the 'soap and water' for industry—it cleans up the mess (pollution) left by older, dirtier methods.
Conceptual Metaphor
TECHNOLOGY IS A TOOL FOR PURIFICATION / THE ENVIRONMENT IS A PATIENT (to be healed).
Practice
Quiz
Which of the following is LEAST likely to be considered a core area of clean technology?