charge carrier: meaning, definition, pronunciation and examples
C2Technical/Scientific
Quick answer
What does “charge carrier” mean?
A particle or quasi-particle that carries an electric charge through a material, enabling electrical conduction.
Audio
Pronunciation
Definition
Meaning and Definition
A particle or quasi-particle that carries an electric charge through a material, enabling electrical conduction.
In physics and engineering, a mobile entity (like an electron, hole, or ion) that transports electric charge when a voltage is applied.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. The concept is identical. Minor potential differences in phrasing surrounding it (e.g., 'In the valence band' vs. 'Within the valence band').
Connotations
Purely technical term with no cultural connotations.
Frequency
Equally low-frequency and specialized in both dialects, confined to academic and engineering texts.
Grammar
How to Use “charge carrier” in a Sentence
[The/An] + [adjective] + charge carrier + [verb]Charge carrier + [preposition] + [noun][Noun] + of + charge carriersVocabulary
Collocations
Examples
Examples of “charge carrier” in a Sentence
adjective
British English
- The charge-carrier concentration was measured.
- Charge-carrier dynamics are complex.
American English
- The charge-carrier density is critical.
- Charge-carrier transport properties vary.
Usage
Meaning in Context
Business
Virtually never used. Potential only in highly technical investment reports about semiconductor companies.
Academic
Core term in solid-state physics, electronics, and materials science papers and textbooks.
Everyday
Not used.
Technical
Essential term when discussing semiconductor behaviour, doping, conductivity, and device physics.
Vocabulary
Synonyms of “charge carrier”
Neutral
Weak
Vocabulary
Antonyms of “charge carrier”
Watch out
Common Mistakes When Using “charge carrier”
- Using 'charge carrier' to refer to a battery or charger (a device).
- Confusing it with 'charge' alone.
- Using it in non-technical contexts.
FAQ
Frequently Asked Questions
No. In semiconductors, 'holes' (the absence of an electron) are also positive charge carriers. In electrolytes, ions are charge carriers.
No, it is a highly specialised scientific term. In everyday contexts, people say 'current', 'electricity', or refer to the device (e.g., 'battery', 'charger').
'Charge' is the abstract physical property (like a quantity). A 'charge carrier' is the physical object (electron, hole, ion) that possesses and moves that charge.
In semiconductor physics, it provides a useful simplified model. When an electron moves to fill a vacancy, it's mathematically equivalent to the vacancy (the 'hole') moving in the opposite direction, behaving like a positive charge carrier.
A particle or quasi-particle that carries an electric charge through a material, enabling electrical conduction.
Charge carrier is usually technical/scientific in register.
Charge carrier: in British English it is pronounced /ˈtʃɑːdʒ ˌkæ.ri.ə/, and in American English it is pronounced /ˈtʃɑːrdʒ ˌkæ.ri.ɚ/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of a 'carrier' like a delivery person. A 'charge carrier' is the delivery person for electricity inside a material.
Conceptual Metaphor
ELECTRIC CURRENT IS FLUID FLOW / CHARGE CARRIERS ARE PARTICLES IN THE FLUID.
Practice
Quiz
Which of the following is NOT typically a charge carrier in a solid?