English Reference
Noun

dataset

n. countable
B2 Upper Intermediate US /ˈdeɪtəˌsɛt/ dataset UK spelling datasets

n.a collection of related information or facts that a computer can process. It is usually organized in a way that makes it easy for researchers or programs to analyze.

n.a structured collection of data, typically organized into a specific format for computational analysis. Often used in the context of statistics, machine learning, and scientific research.


SIMPLE

The researchers analyzed a large dataset of weather patterns.

CONTEXTUAL

To train the new software, the engineers used a dataset containing millions of high-resolution images.

COMPLEX

The study's conclusions were drawn from a longitudinal dataset that tracked the health outcomes of five thousand participants over a twenty-year period.

Usage

Commonly used with verbs like 'analyze', 'collect', or 'clean'.

Today, HRMI’s civil and political rights dataset covers 62 countries, with more added every year.

The Conversation· 25 Aug 2026

AI models are trained on massive datasets designed by humans, who are biased.

Phys.org· 17 Aug 2026
This entry
Level B2 · Upper Intermediate
Frequency Occasional
Updated