diapositive

diapositive

A teacher places a diapositive on the overhead projector.

Definition
  1. Noun:
    • A positive transparency: "diapositive" refers to a photographic slide or transparency that is positive (showing the original colors and tones) rather than negative. It is typically mounted in a frame for projection.
    • Synonym for slide: In common usage, a "diapositive" is the same as a photographic slide used in a slide projector.
Usage Examples
  • Noun:
    • The lecturer used a series of diapositives to illustrate the history of architecture. (Photographic slides were projected to show images.)
    • She stored her diapositives in a special carousel to keep them organized. (Positive transparencies were kept in a rotating container for projection.)
Advanced Usage
  • "to view a diapositive": to examine a photographic slide, often with a light source or projector.

    • He held the diapositive up to the light to see the details clearly. (He looked at the positive transparency against a bright light.)
  • "diapositive film": a type of film that produces positive transparencies directly, as opposed to negative film.

    • The photographer preferred diapositive film for its vibrant colors and high contrast. (Positive transparency film was chosen for its image quality.)
Variants and Related Words
  • Diapositive (n): the singular form, as defined above.
  • Diapositives (pl): multiple positive transparencies.
    • The archive contained hundreds of diapositives from the 1950s. (Many photographic slides from that decade were preserved.)
Synonyms
  • Slide: a common term for a mounted positive transparency used in projection.
  • Transparency: a general term for a photographic positive on a transparent base.
Phrasal Verbs
Related Idioms