convolution: meaning, definition, pronunciation and examples
C1Formal/Academic/Technical
Quick answer
What does “convolution” mean?
A thing that is complex, intricate, and difficult to follow.
Audio
Pronunciation
Definition
Meaning and Definition
A thing that is complex, intricate, and difficult to follow; a coil, twist, or fold.
In mathematics, a formal operation on two functions that expresses how the shape of one is modified by the other; in computing, a type of layer in a neural network.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Both varieties use it in formal and technical contexts.
Connotations
In both, connotes complexity, intricacy, and often a degree of unnecessary or confusing complication.
Frequency
Equally low-frequency in both. Slightly more common in UK English due to influence of British author Conan Doyle ('The Convolutions of Crazy Well').
Grammar
How to Use “convolution” in a Sentence
N of N (the convolutions of the plot)ADJ + N (complex convolution)PREP + N (lost in convolution)Vocabulary
Collocations
Examples
Examples of “convolution” in a Sentence
verb
British English
- The narrative convolutes around several timelines.
American English
- The legal argument convoluted into an incomprehensible mess.
Usage
Meaning in Context
Business
Rare. May describe overly complex processes or contracts (e.g., 'the legal convolutions delayed the merger').
Academic
Common in mathematics, computer science (AI), neuroscience (brain structure), and literary criticism.
Everyday
Very rare. Used deliberately to emphasize extreme complexity.
Technical
Specific, precise meaning in signal processing (convolution theorem) and deep learning (convolutional neural networks).
Vocabulary
Synonyms of “convolution”
Vocabulary
Antonyms of “convolution”
Watch out
Common Mistakes When Using “convolution”
- Using as an uncountable noun (*much convolution).
- Misspelling as 'convolusion'.
- Confusing with 'convolutional' (adj) in technical contexts.
FAQ
Frequently Asked Questions
No, it is a low-frequency word used primarily in formal, academic, or technical contexts.
'Convolution' strongly implies a twisting, coiled, or interwoven nature to the complexity, often making it hard to unravel. 'Complexity' is more general.
Rarely. It usually has a neutral or slightly negative connotation, suggesting unnecessary or confusing intricacy.
The related verb is 'convolute', but it is very rare. The adjective 'convoluted' is far more common.
A thing that is complex, intricate, and difficult to follow.
Convolution is usually formal/academic/technical in register.
Convolution: in British English it is pronounced /ˌkɒnvəˈluːʃn/, and in American English it is pronounced /ˌkɑːnvəˈluːʃn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms. The word itself is used metaphorically.]”
Learning
Memory Aids
Mnemonic
Think of a **VOLVO** caught in a **CON**struction zone, forced into endless loops and **CONVOLUTIONS**.
Conceptual Metaphor
COMPLEXITY IS A TWISTED PHYSICAL OBJECT (e.g., a coiled rope, a maze).
Practice
Quiz
In which field does 'convolution' have a precise, technical definition?