Pronunciation: (ok'sō), [key] Chem.
a process for producing carbonyl compounds, esp. alcohols and aldehydes, by adding, under high pressure, carbon monoxide and hydrogen to an olefin in the presence of a cobalt catalyst. Also called ox'o reac"tion.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.