Corrugate (verb)

  1. To shape or form into a series of parallel, undulating ridges and grooves.
  2. To form wrinkles, furrows, or ridges on the surface of something.


From the latin word corrugatus, meaning "wrinkled" or "folded".


  1. The metal was corrugated to give it added strength.
  2. The cardboard had been corrugated to make it more durable.
  3. He corrugated his forehead in a frown.
  4. The corrugated roofing was designed to drain water quickly.
  5. The process of corrugating the metal made it more resistant to bending.
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