Final answer:
The middle class in Russia during the revolution was referred to as the bourgeoisie.
Step-by-step explanation:
The term that described Russia's middle class during the revolution is the Bourgeoisie. The bourgeoisie refers to the middle class, including professionals, merchants, and entrepreneurs who owned businesses and properties. They held significant economic power and were not in favor of the Bolsheviks or the Czars. Instead, they sought political and social stability.
Learn more about Russia's middle class during the revolution