IPA: /kəˈrʌɡeɪt/
KK: /kɔˈrʌɡeɪt/
To shape something into a series of folds or ridges that alternate in pattern.
The artist decided to corrugate the metal to give it a unique texture.
Past: corrugated
Past Participle: corrugated
Corrugate is formed from "cor-" (meaning together) and "rugare" (meaning to wrinkle). The word describes the action of creating wrinkles or folds together in a surface.
Think of 'wrinkles' ('rugare') being formed 'together' ('cor-') — that's why corrugate means to create folds or wrinkles.