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Definitions

beta

[bey-tuh, bee-] / ˈbeɪ tə, ˈbi- /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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The free AI program starts beta testing in September.

From The Wall Street Journal Aug. 28, 2026

The startup began testing Instinct in private beta in February and quickly generated substantial interest among venture capitalists, who are among its earliest users.

From The Wall Street Journal Aug. 26, 2026

Negative beta stocks are those that tend to move in the opposite direction to the overall market.

From MarketWatch Aug. 24, 2026

Actresses Rachel Sennott and Kristen Bell are among the celebrities who have spoken publicly about taking beta blockers, along with the influencer Khloé Kardashian.

From BBC Aug. 18, 2026

So I went down and spoke to Doerr and Jim Clark, and I began using the beta version of the Mosaic browser.

From "The World Is Flat" by Thomas L. Friedman

Any beta higher than 1 means a stock is more volatile than the S&P 500, while betas of less than 1 are less wild.

From Barron's Dec. 1, 2025

Consider the performance of a hypothetical portfolio that buys the 10% of stocks with the highest betas and sells short the decile of stocks with the lowest betas.

From MarketWatch Oct. 23, 2025

“We’re betas pretending to be alphas,” Denton said.

From New York Times Nov. 3, 2022

In the final segment, we focus on the betas coming out of Cupertino this week.

From The Verge Jul. 15, 2022

Greek letters move across the undersides of his eyelids: isosceles triangles, betas, sine curves.

From "All the Light We Cannot See" by Anthony Doerr




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