strata: meaning, definition, pronunciation and examples
C1Formal, Academic, Technical
Quick answer
What does “strata” mean?
Layers of rock, earth, or sediment formed naturally in the ground.
Audio
Pronunciation
Definition
Meaning and Definition
Layers of rock, earth, or sediment formed naturally in the ground.
Levels, classes, or distinct groups within a society, organization, or system; layers within a complex structure.
Dialectal Variation
British vs American Usage
Differences
Usage is identical in meaning. Both treat it primarily as a plural noun.
Connotations
In both varieties, carries connotations of analysis, structure, and hierarchy. Slightly more common in academic/geological texts.
Frequency
Similar frequency in academic/technical registers. Rare in casual conversation in both varieties.
Grammar
How to Use “strata” in a Sentence
strata of + NOUN (strata of society)ADJECTIVE + strata (lower strata)PREPOSITION + strata (across/through various strata)Vocabulary
Collocations
Usage
Meaning in Context
Business
Used in market analysis to describe different customer segments, e.g., 'targeting the upper income strata'.
Academic
Central in geology, archaeology, and sociology. Refers to layers of rock/soil or social classes.
Everyday
Rare. Might be used metaphorically, e.g., 'The club membership includes all strata of local society.'
Technical
Precise term in geology for rock layers. Used in data science for stratified sampling.
Vocabulary
Synonyms of “strata”
Vocabulary
Antonyms of “strata”
Watch out
Common Mistakes When Using “strata”
- Using 'strata' as a singular noun (incorrect: 'a strata'; correct: 'a stratum').
- Mispronunciation: /strætə/ instead of /ˈstrɑː.tə/ or /ˈstreɪ.t̬ə/.
FAQ
Frequently Asked Questions
Plural. The singular is 'stratum'. A common mistake is saying 'a strata' instead of 'a stratum'.
'Strata' implies formally defined, often horizontal layers, especially in scientific or sociological contexts. 'Layers' is more general and everyday.
It metaphorically describes hierarchical social classes or groups, e.g., 'income strata', 'the upper strata of society'.
A research method where a population is divided into subgroups (strata) and samples are taken from each to ensure representation.
Layers of rock, earth, or sediment formed naturally in the ground.
Strata is usually formal, academic, technical in register.
Strata: in British English it is pronounced /ˈstrɑː.tə/, and in American English it is pronounced /ˈstreɪ.t̬ə/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms for 'strata' as a standalone word]”
Learning
Memory Aids
Mnemonic
Imagine a layered cake (strata) representing society; the different flavours are the different social strata.
Conceptual Metaphor
SOCIETY IS GEOLOGICAL STRATA (e.g., 'the lower strata of society', 'movement between strata').
Practice
Quiz
Which sentence uses 'strata' correctly?