microdot

UK: /ˈmaɪkrəʊˌdɒt/ US: (mī′krə dot′)

Inflections of 'microdot' (v): (⇒ conjugate)

microdots

v 3rd person singular

microdotting

v pres p

microdotted

v past

microdotted

v past p

WordReference Random House Unabridged Dictionary of American English © 2026

mi•cro•dot  (mī′krə dot′), n., v.t., -dot•ted, -dot•ting. 
n. 

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

v.t. 

2. Photography to make a microdot of.

• micro- + dot¹ 1945–50

Collins Concise English Dictionary © HarperCollins Publishers::

microdot / ˈmaɪkrəʊˌdɒt/ noun

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