subcarrier: meaning, definition, pronunciation and examples
LowTechnical/Specialist
Quick answer
What does “subcarrier” mean?
A secondary carrier wave superimposed on a main carrier wave, used especially in FM radio and telecommunications to transmit additional information like stereo signals or data.
Audio
Pronunciation
Definition
Meaning and Definition
A secondary carrier wave superimposed on a main carrier wave, used especially in FM radio and telecommunications to transmit additional information like stereo signals or data.
Any secondary or lower-frequency signal that is modulated onto a primary carrier. It is a fundamental concept in signal multiplexing, allowing multiple data streams to be transmitted simultaneously over a single communication channel.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling is consistent.
Connotations
None beyond the technical definition.
Frequency
Equally rare and specialized in both dialects.
Grammar
How to Use “subcarrier” in a Sentence
[The] subcarrier [is modulated/carries/transmits] [data/audio/signals].Vocabulary
Collocations
Examples
Examples of “subcarrier” in a Sentence
adjective
British English
- The subcarrier frequency must be precisely controlled.
- Subcarrier modulation techniques vary.
American English
- The subcarrier frequency needs to be precisely controlled.
- Subcarrier modulation techniques differ.
Usage
Meaning in Context
Business
Virtually never used outside of technical business contexts like telecoms or broadcasting hardware specifications.
Academic
Common in electrical engineering, telecommunications, and signal processing papers and textbooks.
Everyday
Extremely rare; not part of general vocabulary.
Technical
The primary domain of use. Refers to a precise technical concept in radio, TV, satellite, and data communications.
Vocabulary
Synonyms of “subcarrier”
Neutral
Weak
Vocabulary
Antonyms of “subcarrier”
Watch out
Common Mistakes When Using “subcarrier”
- Confusing it with 'subsidiary' in non-technical contexts.
- Misspelling as 'sub-carrier' (hyphenated form is less common).
FAQ
Frequently Asked Questions
No, it is a highly specialized technical term used almost exclusively in telecommunications and electrical engineering.
No, its meaning is strictly confined to signal processing and communications technology.
The carrier is the main radio frequency wave that is transmitted. A subcarrier is a secondary wave, modulated with extra data (like stereo sound or text), which is then itself modulated onto the main carrier.
Almost certainly not. It is far beyond the scope of general vocabulary tested in such exams.
A secondary carrier wave superimposed on a main carrier wave, used especially in FM radio and telecommunications to transmit additional information like stereo signals or data.
Subcarrier is usually technical/specialist in register.
Subcarrier: in British English it is pronounced /ˈsʌbˌkæ.ri.ər/, and in American English it is pronounced /ˈsʌbˌker.i.ər/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of a main delivery truck (carrier) with a smaller, attached trailer (SUB-carrier) carrying extra packages (data).
Conceptual Metaphor
A SUBCARRIER is a LANE on a HIGHWAY (the main carrier).
Practice
Quiz
What is the primary function of a subcarrier?