confirmationrules

noun
UK /ˌkɒnfəˈmeɪʃən ruːlz/
US /ˌkɑːnfərˈmeɪʃən ruːlz/

Rules that help you check and make sure something is true.

The teacher explained the confirmation rules so we could double-check our answers.


OTHER MEANINGS

2. Guidelines for confirming an appointment or booking.

Please read the confirmation rules before you book your flight.

3. Steps used to make sure a message or order is correct.

The confirmation rules help us know your order went through.

4. Ways to prove that something is real or true.

Scientists follow confirmation rules when they test an idea.