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’
    • ‘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.’
    • ‘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.’

Pronunciation

color reversal

/ˈkələr rəˈvərsəl/ /rēˈvərsəl/ /riˈvərsəl/