hologram

noun

ho·​lo·​gram ˈhō-lə-ˌgram How to pronounce hologram (audio) ˈhä- How to pronounce hologram (audio)
: a three-dimensional image reproduced from a pattern of interference produced by a split coherent beam of radiation (such as a laser)
also : the pattern of interference itself

Did you know?

A hologram is a picture of a "whole" object, showing it in three dimensions. We've all seen cheap hologram images on credit cards and ID cards (where they help prevent copying). Far more impressive are large holograms that take the form of a ghostly 3-D moving figure that you can walk around to see from all angles. Holograms were invented in 1947 but only perfected after the invention of the laser in 1960. Today they're used in such technologies as compact-disc players and checkout scanners, and holograms can be created of the inside of live internal organs to permit doctors to examine the organs in great detail. And soon televisions with hologram technology may enable us to watch in "3-D".

Examples of hologram in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Twice, the holograms made teasing offers to touch my hand. Emily Nussbaum, New Yorker, 30 Jan. 2026 How did holograms of the three storytellers get created? Georg Szalai, HollywoodReporter, 30 Jan. 2026 Without warning, the company Gatebox had discontinued service to the hologram, causing the man to feel like his wife had died. Lori Andrews, Mercury News, 29 Jan. 2026 The group has changed how musicians perceive their work, as the Swedes have been able to turn a collection of popular songs into a successful Broadway show, a film franchise, and more recently, a hologram show in London, which has earned millions. Hugh McIntyre, Forbes.com, 28 Jan. 2026 See All Example Sentences for hologram

Word History

Etymology

holo- + -gram

First Known Use

1949, in the meaning defined above

Time Traveler
The first known use of hologram was in 1949

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Cite this Entry

“Hologram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hologram. Accessed 5 Feb. 2026.

Kids Definition

hologram

noun
ho·​lo·​gram ˈhō-lə-ˌgram How to pronounce hologram (audio) ˈhäl-ə- How to pronounce hologram (audio)
: a three-dimensional picture made by a complex pattern of light (as laser light)

Medical Definition

hologram

noun
ho·​lo·​gram ˈhō-lə-ˌgram How to pronounce hologram (audio) ˈhäl-ə- How to pronounce hologram (audio)
: a three-dimensional image reproduced from a pattern of interference produced by a split coherent beam of radiation (as from a laser)
also : the pattern of interference itself

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