The preparation of successive positive and/or negative reproductions from an original negative and/or positive (first-generation). For example, the first positive produced from an original negative is a second-generation product; the negative made from this positive is a third-generation product; and the next positive or print from that negative is a fourth-generation product.
GENERATION (PHOTOGRAPHY)
Meaning of GENERATION (PHOTOGRAPHY) in English
DOD English dictionary of military terms. Английский словарь военных терминов DOD. 2012