context: Dyes are chemical compounds that are capable of intensively absorbing and converting the energy of electromagnetic radiation in the visible and near ultraviolet and infrared regions of the spectrum and used to give this ability to other bodies. The term “dye” owes its origin to A.E. Porai-Koshits [1] [2] and was introduced by him into scientific terminology in the 1908 year.
question: When did the term "dye" appear?
answers.text: 1908