beta test
noun [ C ]
ukus IT
a process during which some customers are asked to use a piece of software, etc. that is at the second stage of development in order to see if there are any problems that have not been corrected:
During the beta test some testers reported serious problems with the software.
beta-test
verb [ T ]
We shall be beta-testing the system later in the year.
beta testing
noun [ U ]
The software will be undergoing extensive beta testing through the end of the year and is expected to be commercially available soon after.
Compare
alpha test