diapositive
Meanings
noun
- An image suitable to overlay (superimpose) over another (as for example a gel for an overhead projector, a slide that complements another slide as a superimposition for it, or a digital virtual equivalent of these); its coloration is adjusted to contrast with the underlying image (for example, text may be white instead of black in areas where the background is dark).
Word forms
Etymology
From dia- + positive.
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