phototransparency

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English[edit]

Etymology[edit]

photo- +‎ transparency

Noun[edit]

phototransparency (countable and uncountable, plural phototransparencies)

  1. (photography) A photographic slide.
  2. The optical transparency of an object, but especially that of tissue and bone to X-rays. (Can we add an example for this sense?)

Antonyms[edit]