determinant
C1Formal, Academic, Technical
Definition
Meaning
A factor, condition, or element that decisively affects the nature, outcome, or decision regarding something.
1. (Mathematics) A scalar value computed from a square matrix that encodes certain properties of a linear transformation (e.g., whether it is invertible). 2. (Biology/Genetics) A gene or other factor that determines the development of a specific structure or function.
Linguistics
Semantic Notes
Primarily a noun in formal and technical contexts. Can imply a causative, controlling, or defining influence. Not to be confused with 'determiner' (grammar).
Dialectal Variation
British vs American Usage
Differences
No significant lexical or grammatical differences. Usage distribution is identical.
Connotations
Identical; strongly associated with mathematics, science, and formal analysis in both varieties.
Frequency
Equally low-frequency in general discourse but standard in academic/technical registers in both regions.
Vocabulary
Collocations
Grammar
Valency Patterns
[determinant] of [noun][be] a [adjective] determinant in [noun/gerund][noun] is [adjective] by [determinant]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “The determinant of one's fate”
- “A determinant in the equation”
Usage
Context Usage
Business
In business strategy, market demand is a key determinant of pricing.
Academic
Socioeconomic status is often studied as a determinant of educational attainment.
Everyday
Weather was the main determinant in our decision to cancel the picnic. (Less common in casual speech)
Technical
The determinant of the matrix must be non-zero for a unique solution to exist.
Examples
By Part of Speech
adjective
British English
- The determinant factors were carefully analysed.
- It was the determinant influence in their choice.
American English
- The determinant factors were carefully analyzed.
- It was the determinant influence in their decision.
Examples
By CEFR Level
- Price is a big determinant for most shoppers.
- The weather was the main determinant for our holiday plans.
- Education is widely seen as a key determinant of social mobility.
- The study identified several economic determinants of voter behaviour.
- The determinant of the 3x3 matrix was calculated to be zero, indicating linear dependence.
- Genetic and environmental determinants interact in complex ways to influence health outcomes.
Learning
Memory Aids
Mnemonic
Think: DETERMINE + ANT. The 'ant' (agent) that determines the outcome.
Conceptual Metaphor
FOUNDATION/BLUEPRINT (something that underlies and shapes the final form).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid confusing with 'определитель' (only for math). In non-math contexts, Russian 'детерминант' is a direct borrowing but less common; better to use 'определяющий фактор'.
- Do not translate as 'определенность' (definiteness).
Common Mistakes
- Using 'determinant' as a verb (correct verb: 'determine').
- Confusing 'determinant' (factor) with 'determiner' (grammatical word like 'the', 'some').
- Misspelling as 'determinante'.
- Overusing in everyday contexts where 'factor' or 'reason' is more natural.
Practice
Quiz
In which field is the term 'determinant' used with a highly specific technical meaning?
FAQ
Frequently Asked Questions
'Determinant' is a factor that decides or defines an outcome, especially in sciences/maths. 'Determiner' is a grammatical term (e.g., 'the', 'this', 'some') that introduces a noun phrase.
No. The verb form is 'to determine'. 'Determinant' is primarily a noun and occasionally an adjective.
No, it is more formal and technical. In casual conversation, 'factor', 'reason', or 'cause' are more frequently used.
A zero determinant indicates that the matrix is singular (not invertible) and the associated system of linear equations has either no solution or infinitely many solutions.