pretest
noun [ C ]
(also pre-test) uk/ˈpriːtest/ usa test that is done on a product, piece of equipment, etc. to make sure it works before it is sold or used:
The company was advised to carry out pretests on all electrical goods.
pretest
verb [ T ]
(also pre-test) uk/ˌpriːˈtest/ usto do a test on a product, piece of equipment, etc. to make sure it works before it is sold or used:
We pretested all the equipment before it was installed in the office.
Before a questionnaire is finalized, it is always a good idea to get it pretested.