IPA: /rɪˈbɔɪl/
KK: /rɪˈbɔɪl/
To heat a liquid until it reaches the boiling point again after it has cooled down.
After the soup cooled, I had to reboil it before serving.
Past: reboiled
Past Participle: reboiled
Reboil → It is formed from "re-" (meaning again) and "boil" (from Old French *boillir*, meaning to bubble or cook in liquid). The word "reboil" means to boil something again.
Think of boiling something 'again' — 're-' means again, and 'boil' refers to cooking in liquid.