Proper noun
Kardashev scale
A scale that measures the technological level of a civilization by the extent of its energy consumption.
The Kardashev scale classifies civilizations based on their level of technological advancement, specifically measured by the amount of energy a civilization is able to harness. Source: Internet
The Kardashev scale makes provisions for civilizations far more technologically advanced than any currently known to exist (see also: Civilizations and the Future, Space civilization ). Source: Internet