noun
: a relativistic concept of the material universe according to which all celestial bodies are becoming steadily farther apart with the result that those more remote recede from the earth at greater speeds
noun
: a relativistic concept of the material universe according to which all celestial bodies are becoming steadily farther apart with the result that those more remote recede from the earth at greater speeds
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012