Meaning of PRINTING in English

[noun] [U]She has written a book on the history of printing.A printing is the number of copies of a book which the publishers have produced.The publishers produced a first printing of 2 500.She runs her own printing business.Printing costs are estimated at $50 000.A printing press is a machine that prints books, newspapers or magazines.The printing presses were in constant use.

Cambridge English vocab.      Кембриджский английский словарь.