data
gb/dˈætə/ us/dˈætə/
B1
English
adat, személyes adat, adatkészlet, adathalmaz, adatkeret, adatforgalom
NOUN
B1
1
adat
A2
Usage pattern:
data on/about [topic]
We don’t have enough data to say whether the policy worked.
Nem áll rendelkezésünkre elég adat ahhoz, hogy megmondjuk, működött-e az intézkedés.
The report includes data on housing costs across the city.
A jelentés adatokat tartalmaz a lakhatási költségekről városszerte.
Please check the data before you publish the chart.
Learner examples
We need more data.
Több adatra van szükségünk.
The data is correct.
Az adatok helyesek.
Common mistake:
In general English, data is often treated as uncountable (data is/was). Avoid *a data*; say a piece of data or a data point.
Meaning
facts used to understand something
Collocations
collect data
|analyze data
|data on
|data about
|look at the data
|reliable data
|accurate data
|recent data
|data shows
|data suggests
Synonyms
information (broader and less analytical.)
|
facts (emphasizes truth rather than measurement.)
Antonyms
misinformation (false or misleading information.)
|
guesswork (decisions made without evidence.)
Themes
education
|media
|daily_life
Definition
information and facts you can study or use.
facts or information, especially when examined and used to make decisions, form opinions, or solve problems.
NOUN
B1
2
adat
A2
Usage pattern:
store/process/transmit data
The app saves your data in the cloud.
Az alkalmazás a felhőben tárolja az adataidat.
We encrypted the data before sending it over the network.
Titkosítottuk az adatokat, mielőtt elküldtük őket a hálózaton keresztül.
If you delete the folder, you may lose important data.
Learner examples
My phone stores a lot of data.
A telefonom sok adatot tárol.
Back up your data.
Készíts biztonsági mentést az adataidról.
Common mistake:
Don’t confuse data (information) with a device: a database stores data; it is not data itself.
Meaning
digital information used by computers
Collocations
store data
|process data
|transfer data
|data file
|data storage
|data system
|data center
|data backup
|data recovery
|data transfer
Synonyms
information (less specifically digital.)
Antonyms
paperwork (information kept on paper rather than digitally.)
Themes
technology
|computing
|internet
Definition
information that computers use, like files and numbers.
information in a form that a computer can store, process, or transmit, such as numbers, text, images, or files.
NOUN
B2
TECHNICAL
3
adat
A2
Usage pattern:
data from [experiment/study/survey]
The researchers collected data from 500 participants.
A kutatók 500 résztvevőtől gyűjtöttek adatokat.
The data shows a clear increase in average temperatures.
Az adatok az átlaghőmérséklet egyértelmű emelkedését mutatják.
We need to clean the data before we run the analysis.
Learner examples
We collected data in the lab.
Adatokat gyűjtöttünk a laborban.
The data supports the idea.
Az adatok alátámasztják a feltevést.
Common mistake:
In academic writing, you may see plural agreement (these data are). In everyday English, singular agreement (the data is) is common.
Meaning
measurements from research or tests
Collocations
collect data
|record data
|raw data
|experimental data
|survey data
|clinical data
|data set
|data analysis
|data quality
|publish data
Synonyms
results (focuses on outcomes rather than the collected measurements themselves.)
|
statistics (often implies numerical summary or analysis.)
Antonyms
anecdote (a single story rather than systematic evidence.)
Themes
science
|education
|health
Definition
results you collect in a study or experiment.
measurements, observations, or results collected during research, experiments, surveys, or tests.
NOUN
B2
FORMAL
4
Usage pattern:
personal data about [someone]; collect/use/share personal data
The company says it does not sell users’ personal data.
A vállalat azt állítja, hogy nem adja el a felhasználók személyes adatait.
You can request a copy of the personal data we hold about you.
Kérheti az Önről kezelt személyes adatok másolatát.
We removed names to reduce the risk of exposing personal data.
Learner examples
Do not share personal data online.
Ne ossz meg személyes adatokat az interneten.
This form asks for personal data.
Ez az űrlap személyes adatokat kér.
Common mistake:
Personal data is not only financial information; it can include email addresses, location data, or device IDs.
Meaning
information about a person
Collocations
personal data
|sensitive data
|protect data
|share data
|sell data
|data privacy
|data consent
|handle data
|store data securely
|data retention
Synonyms
personal information (more everyday and less legal-sounding.)
Antonyms
anonymous data (information that does not identify a person.)
Themes
law
|technology
|privacy
|business
Definition
details that can identify a person.
information that relates to an identified or identifiable person, such as a name, address, contact details, or online identifiers.
NOUN
B2
TECHNICAL
5
adatkészlet
B2
adathalmaz
C1
Usage pattern:
a data set of [things]; a data set for [purpose]
The team released a data set of traffic counts by street.
A csapat közzétett egy adatkészletet, amely utcánként tartalmazza a forgalomszámlálási adatokat.
We combined two data sets to get a fuller picture.
Két adatkészletet egyesítettünk, hogy teljesebb képet kapjunk.
This model performs well on the training data but poorly on new data.
Learner examples
We downloaded a data set.
Letöltöttünk egy adatkészletet.
This data set is very large.
Ez az adatkészlet nagyon nagy.
Common mistake:
Dataset/data set refers to a collection; data alone can be general information without a defined set.
Meaning
a collected set of information
Collocations
large data set
|training data
|test data
|data set
|labelled data
|balanced data
|share data
|download data
|merge data
|filter data
Synonyms
collection (general word; not necessarily structured.)
Antonyms
single value (one item rather than a collection.)
Themes
technology
|education
|business
Definition
a group of data kept together.
a collection of related information, often organized for a particular purpose such as analysis, reporting, or training a system.
NOUN
B2
BUSINESS
6
adat
A2
Usage pattern:
customer/sales/market data; use data to [do something]
The marketing team used customer data to improve targeting.
A marketingcsapat ügyféladatokat használt a célzás javítására.
Our sales data suggests demand is slowing in April.
Az értékesítési adataink arra utalnak, hogy áprilisban lassul a kereslet.
They built a dashboard to track key data in real time.
Learner examples
We use data to plan.
Adatokat használunk a tervezéshez.
Sales data looks good this month.
Ebben a hónapban jól alakulnak az értékesítési adatok.
Common mistake:
Data in this sense usually means evidence from systems or research, not personal opinions.
Meaning
information used for business decisions
Collocations
customer data
|sales data
|market data
|data insights
|data strategy
|data team
|use data
|data dashboard
|data reporting
|data metrics
Synonyms
metrics (usually specific measured numbers used to track performance.)
|
figures (often refers to numbers in reports.)
Antonyms
hunch (a feeling not based on evidence.)
Themes
business
|marketing
|technology
Definition
information a business uses to make decisions.
information a company collects and analyzes about its customers, operations, or market in order to guide strategy and decisions.
NOUN
C1
FORMAL
7
adat
A2
Usage pattern:
these data; the data are [adjective]
These data are consistent with earlier studies.
Ezek az adatok összhangban vannak a korábbi tanulmányokkal.
The data indicate a strong relationship between the variables.
Az adatok erős kapcsolatot jeleznek a változók között.
Not all the data were available at the time of publication.
Learner examples
These data are important.
Ezek az adatok fontosak.
The data are incomplete.
Az adatok hiányosak.
Common mistake:
In formal writing, data may take a plural verb (data are). In everyday English, singular (data is) is more common.
Meaning
individual pieces of information (formal)
Collocations
these data
|the data are
|data indicate
|data support
|data points
|observed data
|collected data
|reported data
|available data
|incomplete data
Synonyms
findings (emphasizes conclusions drawn from data.)
Antonyms
assumption (something accepted without evidence.)
Themes
education
|science
|writing
Definition
separate facts or results (formal use).
individual facts or results considered as separate items, especially in formal or academic contexts where data is treated as plural.
NOUN
B1
8
adatkeret
B1
adatforgalom
B2
Usage pattern:
use up [amount] of data; run out of data; a data plan
I ran out of data before the end of the month.
A hónap vége előtt elfogyott az adatkeretem.
Streaming video can use a lot of data.
A videóstreamelés sok adatforgalmat használhat fel.
You can turn off data to avoid extra charges while traveling.
Learner examples
I don’t have much data left.
Nem sok adatkeretem maradt.
This plan has unlimited data.
Ez a csomag korlátlan adatforgalmat tartalmaz.
Common mistake:
Data in this sense is usually uncountable; say How much data do I have left? not *How many datas*.
Meaning
internet usage on a phone plan
Collocations
use data
|save data
|run out of data
|data plan
|data allowance
|data usage
|unlimited data
|data roaming
|turn off data
|data limit
Synonyms
internet allowance (explains the idea but is less common.)
Antonyms
Wi‑Fi (internet access via a local wireless network rather than a mobile data plan.)
Themes
technology
|daily_life
|telecommunications
Definition
the internet you can use on your phone plan.
the amount of internet access (measured in units such as megabytes or gigabytes) available or used, especially on a mobile phone plan.
Grammar
Dictionary form
data
IPA
GB/dˈætə/
US/dˈætə/
Syllables & stress
data (1 syllable)
Stress on 1st syllable (data)
Word forms
Noun
- Base: data
- Plural: data
Word family
Expressions
big data
1/bˈɪɡ dˈætə/
fixed phrase
technical
very large complex datasets
very large amounts of data that need special analysis.
Examples
- Retailers use big data to predict what customers will buy.
- The project relies on big data from millions of sensors.
- Big data analysis can reveal patterns that are hard to see otherwise.
Learner examples
- Companies use big data.
data breach
1/dˈætə bɹˈit͡ʃ/
fixed phrase
formal
unauthorized access to data
when someone gets private data without permission.
Examples
- The hospital reported a data breach affecting thousands of patients.
- After the data breach, customers were advised to change their passwords.
- The company faces fines because it failed to prevent a data breach.
Learner examples
- The company had a data breach.
data entry
1/dˈætə ˈɛntɹi/
fixed phrase
business
typing information into a system
putting information into a computer.
Examples
- She does data entry for the accounts department.
- The form reduces errors by automating some data entry.
- We outsourced data entry to save time.
Learner examples
- I do data entry at work.
data mining
1/dˈætə mˈaɪnɪŋ/
fixed phrase
technical
finding patterns in large data
searching data to find useful patterns.
Examples
- The team used data mining to detect fraudulent transactions.
- Data mining can help identify which products are often bought together.
- They built tools for data mining customer reviews.
Learner examples
- They use data mining to find patterns.
data mining
2/dˈætə mˈaɪnɪŋ/
fixed phrase
technical
Analyzing large datasets for patterns
Looking at a lot of data to find useful information.
Examples
- Data mining is used by online stores to recommend products.
- Data mining helps detect fraud in banking.
data point
1/dˈætə pˈɔɪnt/
fixed phrase
one individual value or fact
one piece of data.
Examples
- One data point doesn’t prove the trend, but it’s worth noting.
- We removed a data point that was clearly an error.
- Each dot on the chart represents a data point.
Learner examples
- This number is one data point.
data protection
1/dˈætə pɹətˈɛkʃən/
fixed phrase
formal
keeping data safe and private
keeping information safe from misuse.
Examples
- Staff receive training on data protection and privacy.
- The new policy strengthens data protection for children’s accounts.
- Good data protection reduces the risk of leaks and fraud.
Learner examples
- Data protection is important.
data-driven
1/dˈætə dɹˈɪvən/
fixed phrase
business
based on data and analysis
using data to make decisions.
Examples
- They took a data-driven approach to improving customer support.
- Our hiring process is more data-driven than it used to be.
- Data-driven decisions can reduce bias, but only if the data is reliable.
Learner examples
- We want a data-driven plan.
open data
1/ˈoʊpən dˈætə/
fixed phrase
formal
publicly available data to use
data that anyone can use.
Examples
- The city published open data on public transport delays.
- Open data can help journalists and researchers check official claims.
- They built an app using open data from government websites.
Learner examples
- The government released open data.