supplementary procedure

noun
UK /ˌsʌplɪˈmentəri prəˈsiːdʒə/
US /ˌsʌplɪˈmentəri prəˈsiːdʒər/

An extra step you do to help with the main job.

The doctor did a supplementary procedure to make sure everything was okay.


OTHER MEANINGS

2. An added medical test or treatment done after the main one.

After the surgery, the patient needed a supplementary procedure to check the healing.

3. An extra set of instructions added to a main plan.

The teacher gave a supplementary procedure for students who finished early.

4. A secondary action in a computer program that supports the main task.

The software runs a supplementary procedure to clean up temporary files.