Transparency is the physical property of allowing the transmission of light through a material. It is the noun form of the word transparent (for example, glass is usually transparent.) Literal uses: · Electromagnetically induced transparency is an effect in which a medium that is normally opaque at a particular wavelength is caused to become temporarily transparent · Pentimento is an alteration in a painting, often revealed with growing transparency in paints with age · Transparency is a still, positive image created on a transparent base using photochemical means · Transparency , a thin sheet of transparent material for use with an overhead projector Metaphorical meanings can amount to clear visibility, but also the opposite, invisibility (in particular of irrelevant details). Transparency may also refer to: In computing and mathematics: