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propionaldehyde

[proh-pee-on-al-duh-hahyd]
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noun Chemistry.
  1. a colorless, water-soluble liquid, C3H6O, having a pungent odor: used chiefly in the manufacture of plastics.
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Origin of propionaldehyde

Also called propyl aldehyde.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018