A Hologram is a three-dimensional special type of photograph or image formed by the interference of light beams in which the objects shown look solid.
Reference Definition by Holocenter.org: A Hologram is a physical structure that diffracts light into an image. The term ‘hologram’ can refer to both the encoded material and the resulting image. A holographic image can be seen by looking into an illuminated holographic print or by shining a laser through a hologram and projecting the image onto a screen.
Related Definitions in the Project: The Computer Technology