transparency (transparencies plural )
1 n-count A transparency is a small piece of photographic film with a frame around it which can be projected onto a screen so that you can see the picture.
(=slide)
2 n-uncount Transparency is the quality that an object or substance has when you can see through it.
Cataracts is a condition that affects the transparency of the lenses.
3 n-uncount The transparency of a process, situation, or statement is its quality of being easily understood or recognized, for example because there are no secrets connected with it, or because it is expressed in a clear way.
The Chancellor emphasised his determination to promote openness and transparency in the Government's economic decision-making.