Word
beta
Phoneticsbe·ta, stress on the first syllable
US/ˈbeɪtə/
UK/bˈiːtɐ/
Definitions
01Greek letter
B2 · Upper Intermediate Countable noun
n. the second letter of the Greek alphabet.
n. the second letter of the Greek alphabet (Β, β), following alpha and preceding gamma.
Español:beta
“The scientist used the symbol beta to label the second group in the experiment.”
“In the mathematical proof, the variable beta was used to represent the second angle of the triangle.”
02software testing
B1 · Intermediate Countable noun Computing
n. a version of a product, like a game or app, that is being tested before it is finished.
n. a pre-release version of software or a product that is distributed for testing by a limited audience before the final launch.
“I am playing the beta of the new racing game to help the developers find bugs.”
“The company invited five thousand users to join the closed beta to ensure the servers could handle the traffic.”
Synonyms
Antonyms
03social hierarchy
C1 · Advanced Countable noun Slang · Informal
n. a person who is seen as less powerful or less confident than a leader.
n. a person, typically male, perceived as having a passive or submissive role in a social or professional hierarchy.
“In many old movies, the hero is an alpha and his sidekick is a beta.”
“The article critiqued the modern obsession with categorizing men into alpha and beta archetypes.”
Synonyms
Antonyms
04market risk
C1 · Advanced Uncountable noun Finance Technical
n. a measure of how much a stock's price moves compared to the rest of the market.
n. a measure of the volatility, or systematic risk, of a security or portfolio in comparison to the market as a whole.
“Investors look at a stock's beta to see if it is a risky investment.”
“A stock with a beta higher than one is generally more volatile than the overall market index.”
Synonyms
05climbing information
C2 · Proficiency Uncountable noun Sports Slang · Informal
n. advice or information about how to complete a specific climbing route.
n. specific information or advice regarding the moves and techniques required to complete a climbing route.
“He gave me some great beta on how to get past the difficult section of the cliff.”
“Before attempting the boulder problem, she watched several videos to gather beta on the optimal hand placements.”
06pre-release
B2 · Upper Intermediate Computing
adj. describing something that is not yet finished and is still being tested.
adj. relating to the second stage of software testing or a product in its preliminary, pre-release state.
“The beta version of the app crashed several times during the first hour.”
“The developers released a beta patch to address the most urgent security vulnerabilities reported by the community.”
Synonyms
07to test software
C1 · Advanced Computing Informal · Technical
v. to test a new product before it is released to everyone.
v. to subject a product or software to a beta testing phase.
“We need to beta the new website for a month before we go live.”
“The studio decided to beta the multiplayer mode extensively to balance the gameplay mechanics.”
Real-World Examples
“The public beta for iPadOS 27 is expected in July, with an official release coming this fall.” Domains
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Common
- Level
- B2 · Upper Intermediate
- Updated
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QR code
englishreference.com/q/beta
Traducciones: Kaikki.org (Wiktionary), CC BY-SA 4.0