sound wave: meaning, definition, pronunciation and examples
C1 (Low-frequency specialist term in general discourse; high frequency in physics, engineering, acoustics, and media contexts).Technical/Scientific, Formal.
Quick answer
What does “sound wave” mean?
A longitudinal wave of pressure variations (compressions and rarefactions) travelling through an elastic medium such as air, water, or solids, which is capable of being perceived by the ear.
Audio
Pronunciation
Definition
Meaning and Definition
A longitudinal wave of pressure variations (compressions and rarefactions) travelling through an elastic medium such as air, water, or solids, which is capable of being perceived by the ear.
The physical phenomenon of acoustic energy propagation; the graphical representation of an acoustic signal in terms of its amplitude over time; metaphorically, any analogous pattern of influence or information spreading through a system.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Potential minor spelling preference in related terms (e.g., 'analyse sound waves' (UK) vs. 'analyze sound waves' (US)).
Connotations
Identical technical connotations. In casual use, both varieties associate it with science, music production, and audio technology.
Frequency
Slightly higher frequency in US media discourse related to consumer electronics (e.g., sound bars, speakers).
Grammar
How to Use “sound wave” in a Sentence
The [NOUN] emits/produces/generates sound waves.Sound waves travel/propagate through [MEDIUM].The [DEVICE] detects/converts/analyses sound waves.Vocabulary
Collocations
Examples
Examples of “sound wave” in a Sentence
verb
British English
- The material will not sound-wave effectively through a vacuum.
- (Note: extremely rare and non-standard as a verb)
American English
- (The term is not used as a standard verb.)
adverb
British English
- (No standard adverbial form exists.)
American English
- (No standard adverbial form exists.)
adjective
British English
- The sound-wave propagation characteristics were modelled.
- (Hyphenated when used attributively before a noun)
American English
- We studied the sound-wave interaction with the structure.
- (Hyphenated when used attributively before a noun)
Usage
Meaning in Context
Business
Used in marketing for audio/AV equipment and acoustic consultancy services.
Academic
Core term in physics, engineering, audiology, and music technology papers.
Everyday
Used when discussing how sound works, often in educational or hobbyist contexts (e.g., home audio, music recording).
Technical
Precise descriptions of acoustic phenomena, signal processing, transducer design, and architectural acoustics.
Vocabulary
Synonyms of “sound wave”
Strong
Neutral
Weak
Vocabulary
Antonyms of “sound wave”
Watch out
Common Mistakes When Using “sound wave”
- Using 'sound wave' to refer to an audio file or a single musical note (too broad). Saying 'soundwaves' as one word (standard is two words: 'sound waves'). Confusing with 'radio waves' or 'light waves'.
FAQ
Frequently Asked Questions
It is standardly written as two separate words: 'sound wave'. Hyphenation ('sound-wave') is occasionally seen when the compound is used attributively before a noun (e.g., 'sound-wave physics').
Sound waves are mechanical waves requiring a medium (air, water, etc.) and are longitudinal. Radio waves are electromagnetic waves that can travel through a vacuum and are transverse.
Not directly. However, its effects can be visualised using tools like an oscilloscope (showing an electrical signal representing the wave) or Schlieren photography (showing density changes in air).
The speed of a sound wave depends primarily on the density and elasticity of the medium it travels through. It is faster in solids than liquids, and faster in liquids than gases. Temperature also affects speed in gases.
A longitudinal wave of pressure variations (compressions and rarefactions) travelling through an elastic medium such as air, water, or solids, which is capable of being perceived by the ear.
Sound wave is usually technical/scientific, formal. in register.
Sound wave: in British English it is pronounced /ˈsaʊnd ˌweɪv/, and in American English it is pronounced /ˈsaʊnd ˌweɪv/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Ride the sound wave (very rare, metaphorical for following a trend in music/popularity).”
Learning
Memory Aids
Mnemonic
Imagine a loudspeaker cone pushing air. Its forward push creates a high-pressure 'compression' (like squeezing a slinky), and its backward pull creates a low-pressure 'rarefaction' (like stretching it). This push-pull pattern moving outwards is the SOUND WAVE.
Conceptual Metaphor
SOUND IS A TRAVELLING DISTURBANCE / INFORMATION IS A PROPAGATING WAVE.
Practice
Quiz
Which medium do sound waves NOT travel through?