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English acrylic (from Latin acer, acri‑, pungent), plus ‑o‑.

Acrylic acid is a pungent liquid organic acid. It can be polymerized to make synthetic resins; the adjective acrylic refers to such polymers; an acrylate is a salt or ester of the acid; acrylonitrile is its nitrile, a pungent, toxic liquid, used in making artificial fibres and other polymers.

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