- a photograph reduced to the size of a printed period, used especially to transmit messages, photographs, drawings, etc.
- to make a microdot of.
Origin of microdot
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for microdot
For example, taking a 24 by 24 printed sheet and microdot reducing it to less than the area of a postage stamp.
You personally have no familiarity with microdot reduction of some image?
Is the term "microdot printing" or lithographing familiar to you?
Is there any work done at Jaggars-Chile-Stovall with the use of microdot?
- a microcopy about the size of a pinhead, used esp in espionage
- a tiny tablet containing LSD
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012