Meaning of alpha test

al'pha test"

Pronunciation: [key]
  1. a set of mental tests designed to measure the general intelligence of individuals able to read and write, used by the U.S. Army in World War I.
  2. an early test of new or updated computer software conducted by the developers of the program prior to beta-testing by potential users. Cf. beta test.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.