Meaning of “alpha” in the English Dictionary

"alpha" in British English

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alphanoun [ C or U ]

uk /ˈæl.fə/ us /ˈæl.fə/ symbol A, α

alphaadjective [ before noun ]

uk /ˈæl.fə/ us /ˈæl.fə/

Alpha software is at the first stage of development:

an alpha version of the program

(Definition of “alpha” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"alpha" in Business English

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alphanoun

uk /ˈælfə/ us IT

[ C ] →  alpha version

[ U ] →  alpha testing

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(Definition of “alpha” from the Cambridge Business English Dictionary © Cambridge University Press)