Etymology
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corrugated (adj.)

1620s, "wrinkled" (of skin, etc.), past-participle adjective from corrugate (q.v.). The earlier adjective was simply corrugate (early 15c.), from Latin corrugatus. Meaning "bent into curves or folds" (of iron, cardboard, etc., for elasticity and strength) is from 1853.

updated on April 04, 2018

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