microdot

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noun mi·cro·dot \ˈmī-krə-ˌdät, -krō-\

Definition of microdot

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

Recent Examples of microdot from the Web

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

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