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Definitions

alpha

[al-fuh] / ˈæl fə /
NOUN
beginning
Synonyms


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.

This type of radiation, known as Lyman alpha light, is released in large amounts when hydrogen atoms absorb energy from nearby stars.

From Science Daily • Mar. 8, 2026

A daily alpha of negative 33 basis points may not seem like such a big deal, but it is.

From MarketWatch • Mar. 5, 2026

The elder Duterte once described his daughter as the "alpha" in their family, the one whom everyone follows.

From BBC • Feb. 17, 2026

He is the exuberant frat boy, the alpha of the group.

From The Wall Street Journal • Jan. 31, 2026

I eat when I’m hungry, not when some alpha tells me I’m allowed to eat.

From "Wayward Creatures" by Dayna Lorentz