microdot

[ mahy-kruh-dot ]

noun

1. a photograph reduced to the size of a printed period, used especially to transmit messages, photographs, drawings, etc.

verb (used with object)

, mi·cro·dot·ted, mi·cro·dot·ting.

1. to make a microdot of.

microdot

/ ˈmaɪkrəʊˌdɒt /

noun

1. a microcopy about the size of a pinhead, used esp in espionage
2. a tiny tablet containing LSD

Word History and Origins

Origin of microdot¹

First recorded in 1945–50; micro- + dot ¹

Example Sentences

For example, taking a 24 by 24 printed sheet and microdot reducing it to less than the area of a postage stamp.

From Project Gutenberg

You personally have no familiarity with microdot reduction of some image?

From Project Gutenberg

Is the term "microdot printing" or lithographing familiar to you?

From Project Gutenberg

Is there any work done at Jaggars-Chile-Stovall with the use of microdot?

From Project Gutenberg