noun
[ sing. ] the period in the 18th and 19th centuries in Europe and the US when machines began to be used to do work, and industry grew rapidly
noun
[ sing. ] the period in the 18th and 19th centuries in Europe and the US when machines began to be used to do work, and industry grew rapidly
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005