propionaldehyde

[ proh-pee-on-al-duh-hahyd ]
/ ˌproʊ pi ɒnˈæl dəˌhaɪd /

noun Chemistry.

a colorless, water-soluble liquid, C3H6O, having a pungent odor: used chiefly in the manufacture of plastics.
Also called propyl aldehyde.

Origin of propionaldehyde