2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

hologram \hol"o*gram\, noun A photographic image giving the observer a seemingly three-dimensional view of the represented object. The three-dimensional effect is produced by exposing a photographic recording medium to an interference pattern generated by a coherent beam of light (as from a laser) reflected from the subject, interacting with a beam directly from the source. The full three-dimensional effect requires illumination of the image with coherent light, but less perfect three-dimensional visual effects may also be observed when the hologram is illuminated with white light. [PJC]

From WordNet (r) 3.0 (2006) [wn]:



1: the intermediate photograph (or photographic record) that contains information for reproducing a three-dimensional image by holography [syn: {hologram}, {holograph}]

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