Meaning of ENTROPY in English ENTROPY n. measure of the level of disorder in a system; amount of unavailable energy in a system (Thermodynamics) Explanatory English dictionary bed edition. Толковый словарь английского языка Редакция bed. 2012 Dictionaries → English dictionaries → Explanatory English dictionary bed edition Словари → Английские словари → Толковый словарь английского языка Редакция bed