alternationtest
nounUK /ˌɔːltəˈneɪʃən tɛst/
US /ˌɔːltərˈneɪʃən tɛst/
A test that checks if things take turns in a pattern.
The teacher gave an alternationtest to see if the lights blinked on and off in order.
OTHER MEANINGS
2. A trial where two options are swapped back and forth to compare results.
The scientists ran an alternationtest on the two formulas to see which worked better.
3. A check that confirms a machine changes between two settings correctly.
The engineer used an alternationtest to make sure the pump switched between hot and cold.
4. A quiz that asks you to spot a repeating order in a list.
In the alternationtest, the students circled the red and blue dots that took turns.