We found 5 dictionaries that define the word alpha tests:

General (3 matching dictionaries)

1. alpha tests: Merriam-Webster
2. alpha-tests, alpha-tests: Collins English Dictionary
3. alpha-tests, alpha tests: TheFreeDictionary.com

Computing (1 matching dictionary)

4. alpha-tests, alpha tests: Encyclopedia

Medicine (1 matching dictionary)

5. online medical dictionary (No longer online)

(Note: See alpha_test as well.)

Definitions from Wiktionary (alpha test) ▸ noun:  A process of alpha testing. ▸ Also see alpha_test ▸ Words similar to alpha tests ▸ Usage examples for alpha tests ▸ Idioms related to alpha tests ▸ Wikipedia articles (New!) ▸ Words that often appear near alpha tests ▸ Rhymes of alpha tests ▸ Invented words related to alpha tests