field-effect transistor: meaning, definition, pronunciation and examples
Low frequency in general use; Very High frequency in electronics/engineering contexts.Technical/Specialist. Highly specialized vocabulary within engineering, physics, and semiconductor design.
Quick answer
What does “field-effect transistor” mean?
A type of transistor where the flow of electrical current through a semiconductor channel is controlled by an applied electric field.
Audio
Pronunciation
Definition
Meaning and Definition
A type of transistor where the flow of electrical current through a semiconductor channel is controlled by an applied electric field.
A fundamental electronic component, widely used in integrated circuits, where output current is controlled by the voltage on a gate terminal. It contrasts with bipolar junction transistors, offering high input impedance and low power consumption.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or conceptual differences. Spelling conventions (e.g., 'semiconductor' vs. 'semi-conductor') are not applied to this specific term. Pronunciation of the hyphen and the word 'effect' follows regional accents.
Connotations
Identical technical connotations. The term is purely denotative in both varieties.
Frequency
Frequency is identical in technical contexts. The term is essentially unknown in everyday language in both regions.
Grammar
How to Use “field-effect transistor” in a Sentence
The [MOSFET/JFET] is a type of field-effect transistor.A field-effect transistor consists of a [source, gate, and drain].The current in a field-effect transistor is controlled by the [gate voltage].They designed an amplifier using a field-effect transistor.Vocabulary
Collocations
Examples
Examples of “field-effect transistor” in a Sentence
verb
British English
- The circuit was field-effect transistorised for lower power consumption. (Highly contrived, not standard)
American English
- The design calls for field-effect transistoring the input stage. (Highly contrived, not standard)
adverb
British English
- N/A - Term does not function as an adverb.
American English
- N/A - Term does not function as an adverb.
adjective
British English
- The field-effect transistor amplifier provided high input impedance.
- We studied field-effect transistor characteristics.
American English
- The field-effect transistor circuitry is more efficient.
- A field-effect transistor design was implemented.
Usage
Meaning in Context
Business
Rare, except in specific contexts like semiconductor industry reports or investment analysis.
Academic
Core term in electrical engineering, physics, and materials science curricula and research.
Everyday
Virtually never used.
Technical
The primary and exclusive register. Ubiquitous in circuit design, semiconductor physics, datasheets, and engineering discussions.
Vocabulary
Synonyms of “field-effect transistor”
Strong
Neutral
Weak
Vocabulary
Antonyms of “field-effect transistor”
Watch out
Common Mistakes When Using “field-effect transistor”
- Misspelling as 'field effect transistor' (without hyphen) is common but often accepted in technical writing. The hyphenated form is more precise.
- Confusing FET with BJT (bipolar junction transistor). Mistaking the control mechanism (voltage for FET, current for BJT).
- Pronouncing it as a run-together phrase: 'fieldaffect transistor'. Maintain the pause/syllable break: 'field-effect transistor'.
FAQ
Frequently Asked Questions
FET stands for Field-Effect Transistor. It is the standard abbreviation used in engineering and datasheets.
The MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) is by far the most common type, forming the basis of almost all modern digital integrated circuits.
The term 'regular transistor' often refers to a Bipolar Junction Transistor (BJT). A FET is voltage-controlled and has high input impedance, while a BJT is current-controlled and has lower input impedance.
They are ubiquitous in modern electronics: in microprocessors, memory chips, analog amplifiers, power management systems, and as fundamental switches in digital logic gates.
A type of transistor where the flow of electrical current through a semiconductor channel is controlled by an applied electric field.
Field-effect transistor is usually technical/specialist. highly specialized vocabulary within engineering, physics, and semiconductor design. in register.
Field-effect transistor: in British English it is pronounced /ˌfiːld ɪˈfɛkt trænˈzɪstə/, and in American English it is pronounced /ˌfild əˈfɛkt trænˈzɪstɚ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “N/A - Technical term does not generate idioms.”
Learning
Memory Aids
Mnemonic
Imagine an electric FIELD having an EFFECT on a traffic TRANSISTOR (a transistor that controls traffic). The field (gate voltage) controls whether the current (cars) can flow from Source Street to Drain Avenue.
Conceptual Metaphor
A WATER VALVE or FLOODGATE: The gate voltage (handwheel) controls the flow of current (water) through the channel (pipe) between the source (inlet) and drain (outlet).
Practice
Quiz
What is the primary functional advantage of a field-effect transistor over a bipolar junction transistor?