third dimension: meaning, definition, pronunciation and examples
C1formal, technical, artistic, academic
Quick answer
What does “third dimension” mean?
Depth or the illusion of depth in visual art.
Audio
Pronunciation
Definition
Meaning and Definition
Depth or the illusion of depth in visual art; the quality of having depth or solidity; a metaphorical extension of a concept into a more complete or complex realm.
A level of complexity, realism, or depth added to something that was previously perceived as flat or two-dimensional; a characteristic that provides substance, realism, or a new perspective.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Slight preference for 'third dimension' in UK technical writing, while US usage more commonly extends the metaphor to business/personal contexts.
Connotations
UK: Often associated with art, design, physics, and engineering. US: Broader metaphorical use in business, psychology, and media.
Frequency
Moderate and comparable frequency in both dialects; slightly higher in US media metaphors.
Grammar
How to Use “third dimension” in a Sentence
N + to + NP (adds a third dimension to the debate)N + of + NP (the third dimension of his personality)V + N (capture the third dimension)Vocabulary
Collocations
Examples
Examples of “third dimension” in a Sentence
verb
British English
- The new data third-dimensions our understanding of the phenomenon.
American English
- This technology allows us to third-dimension the prototype visually.
adverb
British English
- The character was written very third-dimensionally.
American English
- Think about it more third-dimensionally.
adjective
British English
- The sculptor is known for her third-dimensional installations.
American English
- We need a more third-dimensional approach to the problem.
Usage
Meaning in Context
Business
Adding a third dimension to our marketing strategy will engage customers more deeply.
Academic
The study introduces a third dimension to the existing theoretical model, accounting for temporal variability.
Everyday
His humour adds a third dimension to his character; he's not just serious all the time.
Technical
The software renders shadows to simulate the third dimension on a 2D screen.
Vocabulary
Synonyms of “third dimension”
Strong
Neutral
Vocabulary
Antonyms of “third dimension”
Watch out
Common Mistakes When Using “third dimension”
- Using 'third dimension' to mean 'third aspect' or 'third point' without the connotation of depth/complexity; using plural 'third dimensions' is rare and often incorrect.
FAQ
Frequently Asked Questions
No, it is frequently used metaphorically to mean added depth, realism, or complexity in non-physical contexts like stories, arguments, or personalities.
No, that is incorrect. 'Third dimension' implies depth/complexity, not merely a sequential item. Use 'third point' or 'third aspect' instead.
In geometry, the first dimension is length (a line), the second is length and width (a plane). The third dimension adds depth, creating a volume.
In technical and everyday contexts for physical objects, yes ('3D film'). In nuanced metaphorical language, 'third dimension' is preferred for abstract depth.
Depth or the illusion of depth in visual art.
Third dimension is usually formal, technical, artistic, academic in register.
Third dimension: in British English it is pronounced /ˌθɜːd daɪˈmenʃən/, and in American English it is pronounced /ˌθɜːrd dɪˈmenʃən/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “add a third dimension to something”
- “come into the third dimension”
Learning
Memory Aids
Mnemonic
Think of a 3D movie: the flat screen (2D) gets DEPTH (the third D). Third = Depth.
Conceptual Metaphor
UNDERSTANDING IS SEEING; COMPLEXITY IS DEPTH; ABSTRACT CONCEPTS ARE PHYSICAL SPACES.
Practice
Quiz
In a metaphorical sense, 'adding a third dimension' most closely means: