field test
noun [ C ]
ukus(also field trial)a test on something such as a piece of equipment that is done in the place where it is going to be used rather than an office or a laboratory (= room used for scientific work):
The field test was performed in conjunction with a local producer of natural gas.
field test
verb [ T ]
ukus(also field-test)to test something in the place where it is going to be used rather than an office or a laboratory:
We publish teacher training materials that have been field tested and shown to be effective.
field-testing
noun [ U ]
The government is considering authorizing the vaccine for field-testing.