round-the-clock testing
noun phraseUK /ˌraʊnd ðə ˈklɒk ˈtestɪŋ/
US /ˌraʊnd ðə ˈklɑːk ˈtestɪŋ/
Testing that happens all day and all night without stopping.
The new app went through round-the-clock testing before it was released.
OTHER MEANINGS
2. Checking a machine or system at all hours to make sure it keeps working.
Engineers used round-the-clock testing to catch any faults in the power grid.
3. A period of constant exams or checks in a school or workplace.
During exam week, the students faced round-the-clock testing.
4. Ongoing medical checks given day and night to a patient.
The patient received round-the-clock testing after the surgery.