beta

IPA（発音記号）

/ˈbiːtə/

名詞

不可算名詞可算名詞別表記異形略語省略俗語

The second letter of the Greek alphabet.

日本語の意味

ギリシャ文字の第2字母（ベータ、β）

英語の意味

The second letter of the Greek alphabet.

シンハラ語

ග්‍රීක අකුරු මාලාවේ දෙවන අකුර / බීටා

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言語学者は図表のギリシャ文字の第2字を指して、それが英語の「vase」のvにあたる有声音の唇歯摩擦音を表すことを説明した。

詳細

意味（1）

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.

意味（2）

Used in marking scheme: α, β, γ or α+, α, α-, β etc.

意味（3）

(finance) Average sensitivity of a security's price to overall securities market prices.

意味（4）

(computing, video games, uncountable) 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.

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意味（5）

(computing, video games, countable) Software in such a phase; a preliminary version.

He quickly deduced our goal—ship a quality beta—but he also quickly discerned that we had no idea about the quality of the product because of our pile of untriaged bugs.

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意味（6）

(climbing) Information about a route which may aid someone in climbing it.

意味（7）

(physics) A beta particle or beta ray.

意味（8）

(aviation) Sideslip angle.

意味（9）

(aviation) 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.

意味（10）

Alternative spelling of betta (“fish in the genus Betta”)

意味（11）

(slang, manosphere, masculism) Ellipsis of beta male, a man who is less competent or desirable than an alpha male.

“I guess in your psychological language of alpha males and beta males, I would be firmly in the camp that prefers the more laid-back betas,” she took a deep breath, “like your father.”

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意味（12）

(fandom slang) 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.

Many A/B/O stories posit societies where biological imperatives divide people based on wolf pack hierarchies into sexual dominants (alphas), sexual submissives (omegas), and everyone else (betas).

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