authentication
gb/ɔθˌɛntɪkˈeɪʃən/ us/ɔθˌɛntɪkˈeɪʃən/
B2
Inglês
Acepções
0 acepção
Substantivo
technical
B2
process
1
verifying digital identity
Checking a user's identity before letting them log in or use a system.
Padrão de uso:
authentication for [an account/system]; [user/device] authentication; authentication by [method]
Erro comum:
Do not confuse authentication, which proves identity, with authorization, which gives permission to do something after identity is checked.
Sinônimos
verification (broader; can mean checking any fact, not only identity)
|
identity verification (more explicit and common in everyday explanations)
|
validation (often technical; emphasizes checking that credentials are accepted)
Antônimos
unauthenticated access (access without a successful identity check)
|
anonymous access (use without identifying a specific user)
Colocações
user authentication
|secure authentication
|two-factor authentication
|multi-factor authentication
|biometric authentication
|passwordless authentication
|authentication method
|authentication process
|authentication credentials
|authentication failure
Temas
technology
|cybersecurity
|internet
|computing
Exemplos
- The bank requires authentication before you can view your account online.
- Face recognition provides quick authentication on many phones.
- The system failed to complete authentication and locked the user out.
Exemplos para estudantes
- Authentication keeps my account safe.
- You need authentication to log in.
Substantivo
formal
C1
process
2
proving something is genuine
Checking that something is real, official, or not fake.
Padrão de uso:
authentication of [something]; [document/artwork/product] authentication
Erro comum:
When talking about objects or documents, authentication means proving they are genuine or valid, not logging in.
Sinônimos
verification (general term for checking that something is true or genuine)
|
certification (often means an official confirmation or document)
|
attestation (more formal; emphasizes a statement that something is genuine or correct)
|
validation (emphasizes confirming that something is valid or acceptable)
Antônimos
falsification (making or presenting something as false rather than proving it genuine)
|
forgery (a fake item or the act of making one, which authentication is meant to detect)
Colocações
document authentication
|artwork authentication
|product authentication
|message authentication
|signature authentication
|authentication certificate
|formal authentication
|authentication of evidence
|authentication service
|authentication mark
Temas
documents
|art
|commerce
|security
|law
Exemplos
- The auction house specializes in the authentication of rare watches.
- The embassy explained the authentication process for foreign documents.
- Message authentication helps ensure that a file really came from the stated sender.
Exemplos para estudantes
- The expert handled authentication of the old coin.
- The document needs authentication before it is accepted.
Gramática
Forma no dicionário
authentication
AFI
GB/ɔθˌɛntɪkˈeɪʃən/
US/ɔθˌɛntɪkˈeɪʃən/
Sílabas e tonicidade
au - then - tic - a - tion (5 sílabas)
Stress on 4th syllable (a)
Formas da palavra
Noun
- Base: authentication
- Plural: authentication
Expressões
authentication app
1/ɔθˌɛntɪkˈeɪʃən ˈæp/
fixed phrase
technical
app for login codes
An app that gives you a code or prompt for safe login.
Exemplos
- Open your authentication app and enter the six-digit code.
- I set up an authentication app for my work email.
- If you get a new phone, remember to transfer your authentication app settings.
authentication code
1/ɔθˌɛntɪkˈeɪʃən kˈoʊd/
fixed phrase
technical
temporary login verification code
A short code you enter to prove it is really you.
Exemplos
- Enter the authentication code that was sent to your phone.
- The authentication code expires after ten minutes.
- If you did not request this authentication code, change your password immediately.
authentication token
1/ɔθˌɛntɪkˈeɪʃən tˈoʊkən/
fixed phrase
technical
digital proof of authentication
A digital proof that a system uses after you log in.
Exemplos
- The app stores an authentication token after the user logs in.
- If the authentication token expires, the user must sign in again.
- Never share your authentication token in a public code repository.
biometric authentication
1/bˌaɪoʊmˈɛtɹɪk ɔθˌɛntɪkˈeɪʃən/
fixed phrase
technical
identity check using body features
Checking identity with a body feature, such as a face or fingerprint.
Exemplos
- The phone supports biometric authentication with a fingerprint sensor.
- Airports are testing biometric authentication at some security gates.
- Some users prefer biometric authentication because they do not have to remember a password.
biometric authentication
1/bˌaɪoʊmˈɛtɹɪk ɔθˌɛntɪkˈeɪʃən/
fixed phrase
technical
login using body features
checking who someone is by using a body feature, such as a fingerprint, before allowing access
Exemplos
- Many banking apps offer biometric authentication instead of typing a password.
- Biometric authentication can be convenient, but users still need a backup PIN.
- The system requires biometric authentication for high-risk transactions.
document authentication
1/dˈɑkjəmənt ɔθˌɛntɪkˈeɪʃən/
fixed phrase
legal
official validation of documents
Official checking that a document is real and valid.
Exemplos
- The university required document authentication before accepting the foreign diploma.
- You may need document authentication before using the certificate abroad.
- The agency provides translation and document authentication services.
multi-factor authentication
1/mˈʌlti fˈæktɚ ɔθˌɛntɪkˈeɪʃən/
fixed phrase
technical
login with multiple proofs
A login method that checks your identity in more than one way.
Exemplos
- Our company requires multi-factor authentication for remote access.
- Multi-factor authentication may use a password, a security key, and a fingerprint.
- The new policy made multi-factor authentication mandatory for all staff.
passwordless authentication
1/pˈæswˌɚdlˈɛs ɔθˌɛntɪkˈeɪʃən/
fixed phrase
technical
login without a password
A way to log in without using a password.
Exemplos
- The company is moving toward passwordless authentication for employee accounts.
- Passwordless authentication can reduce the risk of stolen passwords.
- Some websites now support passwordless authentication with passkeys.
two-factor authentication
1/tˈu fˈæktɚ ɔθˌɛntɪkˈeɪʃən/
fixed phrase
technical
login with two proofs
A safer login method that checks your identity in two ways.
Exemplos
- Turn on two-factor authentication for your email account.
- The site uses two-factor authentication, so it sends a code to my phone when I log in.
- Two-factor authentication can stop someone from getting in even if they know your password.