subtest

noun
sub·​test | \ ˈsəb-ˌtest How to pronounce subtest (audio) \
variants: or less commonly sub-test
plural subtests or sub-tests

Definition of subtest

: a test that is part of a larger test The program has the machine perform one of these subtests dozens of times, each time with different data, and then tells it to go on to the next subtest.— Tracy Kidder A child's scores on these subtests are added up, and the tester converts the total to an IQ …— Ulric Neisser

First Known Use of subtest

1884, in the meaning defined above

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The first known use of subtest was in 1884

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