Definition of color reversal in English:

color reversal

noun

Photography
  • [usually as modifier] The process of producing a positive image directly from another positive.

    ‘color reversal films’
    • ‘For the films that followed, he used cheap, sometimes discarded, color reversal stock to immortalize the drag queens, mermaids, vampires, naked poets, and other creatures who populate his films.’
    • ‘They also make some great color reversal film.’
    • ‘He shot on 35 mm color reversal film, which is like slide film - it exposes a positive rather than a negative image.’