Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “alpha”

See all translations

alpha

noun [C or U] uk   /ˈæl.fə/ ( symbol A, α) us  
the first letter of the Greek alphabet

alpha

adjective [before noun] uk   /ˈæl.fə/ us  
Alpha software is at the first stage of development: an alpha version of the program
Translations of “alpha”
in Chinese (Traditional) 希臘語字母表的第一個字母…
in Chinese (Simplified) 希腊语字母表的第1个字母…
(Definition of alpha from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of alpha?
Add Cambridge dictionaries to your browser to your website

More meanings of “alpha”

Definitions of “alpha” in other dictionaries

Word of the Day

be in/out of luck

to be able/unable to have or do what you want

Word of the Day

A certain je ne sais quoi: French words and phrases used in English

by Liz Walter,
January 21, 2015
It is an odd irony that the more sophisticated your use of English is, the more likely you are to use French words and phrases. Or, to be more accurate, ones you know to be French – words such as ballet, au pair, abattoir, fiancé, café, and restaurant are so entrenched in

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More