power train: meaning, definition, pronunciation and examples
C1Technical / Automotive
Quick answer
What does “power train” mean?
The collection of components in a vehicle that generate power and deliver it to the driving wheels.
Audio
Pronunciation
Definition
Meaning and Definition
The collection of components in a vehicle that generate power and deliver it to the driving wheels.
Can be extended metaphorically to refer to the core system or set of components responsible for generating and transferring power or energy in any complex machine or organisation.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning. Spelling preferences vary: 'powertrain' as a single word is common in both, but 'power train' as two words is also acceptable. The term is equally standard in automotive contexts in both varieties.
Connotations
Neutral technical term in both. Associated with engineering, mechanics, and automotive industries.
Frequency
Equally frequent in relevant technical contexts in both the UK and US. Rare in everyday non-specialist conversation.
Grammar
How to Use “power train” in a Sentence
The [ADJECTIVE] power train consists of...to develop/design/optimise a power train for...a fault in the power trainVocabulary
Collocations
Examples
Examples of “power train” in a Sentence
verb
British English
- The engineers will powertrain the new prototype next week.
- The vehicle was powertrained for maximum efficiency.
American English
- The team powertrained the concept car with a hybrid system.
- They're still powertraining the new model.
adverb
British English
- [Extremely rare/not standard] The system functions powertrain-efficiently.
American English
- [Extremely rare/not standard] The car is designed powertrain-forward.
adjective
British English
- The powertrain components arrived for assembly.
- They discussed powertrain development strategies.
American English
- The powertrain engineer presented the new design.
- We need a powertrain specialist on the project.
Usage
Meaning in Context
Business
Used in corporate reports and strategy of automotive companies (e.g., 'investing in next-generation powertrain technology').
Academic
Used in engineering, automotive design, and mechanical engineering papers and textbooks.
Everyday
Rare. Might be used by car enthusiasts or when discussing major vehicle repairs.
Technical
The primary context. Precisely defined to include engine, transmission, driveshafts, differentials, and final drive.
Vocabulary
Synonyms of “power train”
Vocabulary
Antonyms of “power train”
Watch out
Common Mistakes When Using “power train”
- Misspelling as one word ('powertrain') or two ('power train') is generally acceptable, but consistency within a text is key. Using it to refer only to the engine (it's the engine PLUS the transmission and drive components).
FAQ
Frequently Asked Questions
Both are acceptable. 'Powertrain' as a single closed compound is very common in technical literature, but 'power train' is also correct.
They are often used interchangeably. Technically, 'powertrain' can include the engine and all components that generate and deliver power. 'Drivetrain' sometimes refers specifically to the components after the engine (transmission, driveshaft, axles). In practice, the distinction is blurry.
Yes. An electric vehicle's powertrain consists of the battery, electric motor(s), power electronics, and transmission (which is often simpler than in internal combustion vehicles).
No. It is a specialised technical term (C1 level). Most learners will only need it if they work in or study engineering, mechanics, or the automotive industry.
The collection of components in a vehicle that generate power and deliver it to the driving wheels.
Power train is usually technical / automotive in register.
Power train: in British English it is pronounced /ˈpaʊə treɪn/, and in American English it is pronounced /ˈpaʊər treɪn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms specific to this term]”
Learning
Memory Aids
Mnemonic
Think of a train that delivers POWER. The 'power train' is the chain of parts that 'train' or channel power from the engine to the wheels.
Conceptual Metaphor
CORE / HEART; The powertrain is the heart of the vehicle, pumping power instead of blood. CHAIN / SEQUENCE; It is a linked sequence transferring force from one point to another.
Practice
Quiz
Which of the following is NOT typically considered a core component of a conventional automotive power train?