[ noun ] a test of the performance of some new product under the conditions in which it will be used
Used in print(LeRoy Fothergill, "Biological Warfare", in Peter...)
Something of the behavior of clouds of small particles can be illustrated by the following field_trials :
The behavior of a biological aerosol , on a much smaller scale , is illustrated by a specific field_trial conducted with a non pathogenic organism .
[ noun ] a test of young hunting dogs to determine their skill in pointing and retrieving
[ noun ] a contest between gun dogs to determine their proficiency in pointing and retrieving