tə̇ˈsh]eŋ(ˌ)kō-, tə̇shˈch] noun
Usage: usually capitalized T
Etymology: after Vyacheslav E. Tishchenko died 1941 Russian chemist
: the synthesis (as of ethyl acetate from acetaldehyde and aluminum ethoxide) of an ester from an aldehyde involving simultaneous oxidation and reduction of two molecules of the aldehyde in the presence of an aluminum alkoxide