dimension
C1Formal, academic, technical; also common in everyday language when describing aspects of something.
Definition
Meaning
A measurable extent of a particular kind, such as length, breadth, depth, or height. In mathematics: a mode of linear measurement in which figures exist.
An aspect, feature, or facet of a situation, problem, idea, or subject; a level of existence, consciousness, or experience (e.g., a spiritual dimension).
Linguistics
Semantic Notes
Most commonly a noun, but has a rarer verb form meaning 'to mark with dimensions' or 'to shape to particular proportions'. The figurative meaning ('an aspect or feature') is now more frequent than the purely physical/spatial meaning in general discourse.
Dialectal Variation
British vs American Usage
Differences
No significant difference in core meaning or usage. The verb form is extremely rare in both varieties.
Connotations
Neutral and technical in both varieties.
Frequency
Slightly more frequent in American English academic/professional writing, but a high-frequency word in both varieties.
Vocabulary
Collocations
Grammar
Valency Patterns
add/give/bring a (new) dimension to somethingtake on a (new) dimensionhave a dimension of Xin/within a dimensionacross dimensionsof many dimensionsVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “a new dimension”
- “of another dimension (meaning 'of a different scale/type')”
Usage
Context Usage
Business
Used to describe aspects of a problem, market, or strategy. 'We must consider the financial dimension of this merger.'
Academic
Central in mathematics, physics, and social sciences to describe measurable parameters or conceptual aspects. 'The study explores the ethical dimensions of artificial intelligence.'
Everyday
Used to describe extra aspects or features of a situation. 'His illness added a difficult dimension to our holiday plans.'
Technical
Precise meaning in geometry, physics, and engineering relating to spatial measurements. 'The CAD software can model objects in three dimensions.'
Examples
By Part of Speech
verb
British English
- The plans dimension the building precisely.
- The timber was carefully dimensioned for the frame.
American English
- The software dimensions the parts automatically.
- All components must be dimensioned before fabrication.
adverb
British English
- The sculpture was conceived dimensionally.
- (Extremely rare; usually 'in terms of dimensions')
American English
- The model was analyzed dimensionally.
- (Extremely rare; 'multi-dimensionally' is occasionally seen)
adjective
British English
- We studied multi-dimensional data analysis.
- His theory has a three-dimensional quality to it.
American English
- The game features a three-dimensional environment.
- It's a multi-dimensional approach to the problem.
Examples
By CEFR Level
- The box has three dimensions: length, width, and height.
- The new software adds an exciting dimension to the game.
- Please write the dimensions of the table here.
- The political dimension of the climate crisis cannot be ignored.
- We need to consider every dimension of this complex problem.
- Her research introduced a hitherto unexplored dimension to the philosophical debate.
- The concept of a fourth spatial dimension is central to some advanced physical theories.
Learning
Memory Aids
Mnemonic
Think of a MANSION. A big mansion has many DIMENSIONS – many rooms (aspects) and is measured in length, width, and height.
Conceptual Metaphor
IDEAS/SUBJECTS ARE SPACES (we explore their dimensions, add new dimensions).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid translating the figurative use as 'размерность' (which is very technical/mathematical). Use 'аспект', 'сторона', or 'измерение' (fig.) for the abstract sense. The physical/mathematical sense is correctly 'измерение'.
Common Mistakes
- Using 'dimension' as a synonym for 'size' without the implication of a specific measurable aspect (e.g., 'The dimension of the room is big' – better: 'The dimensions of the room are large' or 'The room is big'). Confusing 'dimensional' with 'dimensional' (no such word).
Practice
Quiz
In which sentence is 'dimension' used in a primarily PHYSICAL/SPATIAL sense?
FAQ
Frequently Asked Questions
No. While its core meaning is spatial/mathematical, its most common use in everyday language is figurative, meaning 'an aspect or feature' of something non-physical (e.g., 'a political dimension').
'Size' refers to how large something is overall. 'Dimension' (often plural) refers to the individual measurable extents that constitute the size (e.g., length, width). 'Dimension' is also used for non-physical aspects, which 'size' is not.
It is a rare, technical verb meaning 'to mark or cut to specific measurements', common in engineering, manufacturing, and design (e.g., 'The parts are dimensioned in millimetres'). Avoid in general English.
In physics and geometry, it typically refers to time, especially in the context of Einstein's theory of relativity where space and time are united in a four-dimensional 'spacetime'. In popular culture, it can refer to a hypothetical extra spatial dimension or a realm beyond normal experience.