The Collaborative International Dictionary
Crotonic acid
Crotonic \Cro*ton"ic\ (kr?-t?n"?k), a. Of or pertaining to, or derived from, a plant of the genus Croton, or from croton oil.
Crotonic acid (Chem.), a white crystalline organic acid, C3H5.CO2H, of the ethylene, or acrylic acid series. It was so named because formerly supposed to exist in croton oil. Also, any acid metameric with crotonic acid proper.
Note: The acid characteristic of croton oil is tiglic or tiglinic acid, a derivative of crotonic acid.
Wiktionary
crotonic acid
n. (context organic compound English) An unsaturated organic acid, CH3-CH=CH-COOH, found in croton oil and having many industrial uses; the cis- form is isocrotonic acid.
Usage examples of "crotonic acid".
The active principle is believed to be Crotonic acid, which is freely soluble in alcohol.