beta.
The second letter of the Greek alphabet (Β, β), preceded by alpha (Α, α) and followed by gamma, (Γ, γ). In modern Greek it represents the voiced labiodental fricative sound of v found in the English words have and vase.
Meaning & usage
The second letter of the Greek alphabet (Β, β), preceded by alpha (Α, α) and followed by gamma, (Γ, γ). In modern Greek it represents the voiced labiodental fricative sound of v found in the English words have and vase.
An academic grade better than a gamma and worse than an alpha.
Average sensitivity of a security's price to overall securities market prices.
The phase of development after alpha testing and before launch, in which software, while not complete, has been released to potential users for testing.
The company is offering a public beta program to test the software.
Software in such a phase; a preliminary version.
Any kind of content from early development that was not used in the final product.
beta levels; beta characters; beta items in a video game
Information about a route which may aid someone in climbing it.
A beta particle or beta ray.
Sideslip angle.
The range of engine power settings in which the blade pitch angle of a constant-speed propeller is controlled directly by the angle of the engine's throttle lever (rather than varying with engine torque and airspeed to maintain a constant propeller RPM), allowing the propeller to be disked to generate high drag and slow the aircraft quickly.
Alternative spelling of betta (“fish in the genus Betta”).
Ellipsis of beta male, a man who is less competent or desirable than an alpha male.
In omegaverse fiction, a person of a secondary sex similar to normal humans, lacking the biological drives of alphas and omegas but generally capable of bonding and mating with either.
Where this word comes from
Etymology tree Proto-Semitic *bayt- Phoenician 𐤁𐤕 (bt)bor. Ancient Greek βῆτᾰ (bêtă)bor. English beta Borrowed from Ancient Greek βῆτᾰ (bêtă). Doublet of beth.
Identifying a molecular position in an organic chemical compound.
Designates the second in an order of precedence.
Preliminary; prerelease. Refers to an incomplete version of a product released for initial testing.
Associated with the beta male/female archetype.
Where this word comes from
Etymology tree Proto-Semitic *bayt- Phoenician 𐤁𐤕 (bt)bor. Ancient Greek βῆτᾰ (bêtă)bor. English beta Borrowed from Ancient Greek βῆτᾰ (bêtă). Doublet of beth.
To preliminarily release computer software for initial testing prior to final release.
To beta-read a text.
Where this word comes from
Etymology tree Proto-Semitic *bayt- Phoenician 𐤁𐤕 (bt)bor. Ancient Greek βῆτᾰ (bêtă)bor. English beta Borrowed from Ancient Greek βῆτᾰ (bêtă). Doublet of beth.
a term of endearment, used towards someone of equal or lower standing such as a friend or child, similar to brother or son
Don't pick that up, beta, it's dirty.
Where this word comes from
Etymology tree Prakrit 𑀩𑀺𑀝𑁆𑀝 (biṭṭa) Middle Hindi بیٿا (byṭa) Hindi बेटा (beṭā)bor. English beta Borrowed from Hindi बेटा (beṭā).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.