[ kroht-n-al-duh-hahyd ]
/ ˌkroʊt nˈæl dəˌhaɪd /

noun Chemistry.

a whitish liquid with pungent and suffocating odor, C4H6O, soluble in water, used as a solvent, in tear gas, and in organic synthesis.

Origin of crotonaldehyde

croton(ic) (see crotonic acid) + aldehyde
Also called betamethyl acrolein, crotonic aldehyde. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019