ˈfrēs-, -ēz- noun
Usage: usually capitalized F
Etymology: after Karl Fries b 1875 German chemist
: the isomerization of an aryl ester of a carboxylic acid into a phenolic ketone by means of anhydrous aluminum chloride
ˈfrēs-, -ēz- noun
Usage: usually capitalized F
Etymology: after Karl Fries b 1875 German chemist
: the isomerization of an aryl ester of a carboxylic acid into a phenolic ketone by means of anhydrous aluminum chloride
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012