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propionaldehyde

[ proh-pee-on-al-duh-hahyd ]

noun

, Chemistry.
  1. a colorless, water-soluble liquid, C 3 H 6 O, having a pungent odor: used chiefly in the manufacture of plastics.


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Word History and Origins

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Example Sentences

Four of them have never before been detected on a comet: methyl isocyanate, acetone, propionaldehyde, and acetamide.”

From Forbes

This lucky accident allowed Goesmann and his colleagues to finger 16 organic chemicals, including four—methyl isocyanate, acetone, propionaldehyde, and acetamide—that have never before been detected on a comet.

Four of them, methyl isocyanate, acetone, propionaldehyde and acetamide, had not been seen on comets before.

Philae found 16 organic molecules in the space surrounding the comet; four of them — methyl isocyanate, acetone, propionaldehyde, and acetamide — have never been known to exist on comets before.

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