noun
1. : a certain price charged for the first definite number of units (as of electricity) used : a successively lower price for each additional block used
2. : group rate
noun
1. : a certain price charged for the first definite number of units (as of electricity) used : a successively lower price for each additional block used
2. : group rate
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012