noun
: a hydroelectric system in which electricity is generated during periods of greatest consumption by the use of water that has been pumped into a reservoir at a higher altitude during periods of low consumption
noun
: a hydroelectric system in which electricity is generated during periods of greatest consumption by the use of water that has been pumped into a reservoir at a higher altitude during periods of low consumption
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012