hologram
n. countablen. a special kind of 3D image made with light. It looks like a solid object that you can see from different sides, even though it is just a picture.
n. a three-dimensional image formed by the interference of light beams from a laser or other coherent light source. Often used to describe digital projections that simulate physical presence.
The credit card has a small hologram to prevent people from making fakes.
During the concert, a hologram of the late singer appeared on stage to perform with the live band.
Advanced medical imaging now allows surgeons to examine a hologram of a patient's heart before they begin a complex operation.
From holo- + -gram, from Ancient Greek ὅλος (hólos, “whole”) + γρᾰ́μμᾰ (grắmmă, “that which is written or drawn”), coined by Hungarian-born British scientist Dennis Gabor in 1948, the Nobel prize winner in physics in 1971 for his work in holography.