Meaning of alpha-tester in English:


Pronunciation /ˈalfəˌtɛstə/


  • 1Electronics
    rare An instrument for ascertaining the ratio of the change in collector current to the corresponding change in emitter current in a transistor in a common-base configuration (the common-base current gain, symbol α).

  • 2Computing
    A person who performs alpha tests.


1950s. From alpha + tester; in sense 1 with allusion to α as a symbol for current gain in a transistor.