microdot

noun
mi·cro·dot | \ˈmī-krə-ˌdät, -krō-\

Definition of microdot 

: a photographic reproduction of printed matter reduced to the size of a dot for ease or security of transmittal

Examples of microdot in a Sentence

Recent Examples on the Web

Computer security experts say there's also a visible trail on everything printed nowadays, that color printers leave microdots. CBS News, "Accused NSA leaker "scared that they would make her disappear," mom says," 7 June 2017

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

First Known Use of microdot

1946, in the meaning defined above

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The first known use of microdot was in 1946

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