noun, verb, slang ·Moderate ·College level

Definitions

Noun

1. 1
   A text or photographic image that has been reduced in size to that of a typographical dot in order to escape detection by unintended recipients.
2. 2
   photograph reduced to the size of a dot (usually for purposes of security) wordnet
3. 3
   A small-sized tablet containing lysergic acid diethylamide (LSD). informal

Verb

1. 1
   To mark with a microdot. transitive
2. 2
   To make into a microdot. transitive

Synonyms

All synonyms

bulletin boardcardcatalog carddiscfilefiling card

Etymology

From micro- + dot.

Related phrases

lysergic acid diethylamide

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.