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.

Word History and Origins

Origin of propionaldehyde¹

propion(ic) + aldehyde

Example Sentences

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

Read more on 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.

Read more on National Geographic

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

Read more on The Guardian

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.

Read more on The Verge