The Collaborative International Dictionary
field-test
field-test \field-test\, field test \field test\v. t. to test something in the field, i. e. under the actual conditions under which it will be used; as, The Army field-tested the new tanks. Used in contrast with testing in a laboratory or under controlled conditions.
Syn: field test.
Wiktionary
field-test
vb. To test something using the conditions that it was designed to operate under, especially out in the real world instead of in a laboratory or workshop
WordNet
field-test
v. test something under the conditions under which it will actually be used; "The Army field tested the new tanks"
Usage examples of "field-test".
The power rarely worked on other supernaturals, but to be sure, I took the opportunity to field-test yet another of my new spells: an anticharm incantation.