hologram

noun ho·lo·gram \ ˈhō-lə-ˌgram , ˈhä- \
Updated on: 12 Dec 2017

Definition of hologram

: 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

Recent Examples of hologram from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hologram.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Did You Know?

A hologram is a picture of a "whole" object, showing it in three dimensions. We've all seen cheap holographic 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".

First Known Use of hologram

1949


HOLOGRAM Defined for English Language Learners

hologram

noun

Definition of hologram for English Language Learners

  • : a special kind of picture that is produced by a laser and that looks three-dimensional


HOLOGRAM Defined for Kids

hologram

noun ho·lo·gram \ ˈhō-lə-ˌgram , ˈhä- \

Definition of hologram for Students

: a three-dimensional picture made by laser light reflected onto a photographic substance without the use of a camera

Medical Dictionary

hologram

noun ho·lo·gram \ ˈhō-lə-ˌgram , ˈhäl-ə- \

medical Definition of hologram

: 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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