Definition of propionaldehyde in English:
propionaldehyde
Pronunciation /ˌprəʊpɪəˈnaldɪhʌɪd/
noun
Chemistry
A colourless, acrid, liquid aldehyde, obtained by dehydration of glycerol.
Formula: CH₃CH₂CHO.
Origin
Late 19th century. From propion- + aldehyde, after German Propionaldehyd.