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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.

X Money, which is expected to exit a beta program this month, is part of Musk’s attempt to make X an “everything app,” similar to China’s WeChat.

From MarketWatch • Apr. 16, 2026

The drugs attack a sticky gunk – called beta amyloid – that builds up in the spaces between brain cells in Alzheimer's disease.

From BBC • Apr. 16, 2026

For example, a stock with a beta of 0.9 would be expected to decline about 9% when the S&P 500 falls 10%.

From Barron's • Apr. 14, 2026

HappyHorse “is currently under internal beta test and we are expecting to launch API access for the model in the near future,” said a spokesperson at Token Hub, Alibaba’s newly created AI-focused unit.

From The Wall Street Journal • Apr. 10, 2026

“You are still our daughter, and after yesterday...oh, my beta, if anything would have happened...”

From "Love, Hate & Other Filters" by Samira Ahmed