Definition of diapositive in English:

diapositive

noun

  • A positive photographic slide or transparency.

    • ‘Only good illumination and use of diapositives allow the interpretation of the subtle tone contrasts which express forest composition.’
    • ‘The film was processed into prints and diapositives for photogrammetric work.’

Pronunciation

diapositive

/ˌdaɪəˈpɑzədɪv//ˌdīəˈpäzədiv/