Top-secret microfilm Synonyms

Definitions for Top-secret

(adjective) the highest official level of classification of documents

Synonyms for phrase

TM abbreviation

TM is an abbreviation for Top-secret Microfilm

What does TM stand for?

TM stands for "Top-secret Microfilm"

Definitions for Microfilm

(noun) film on which materials are photographed at greatly reduced size; useful for storage; a magnification system is used to read the material
(verb) record on microfilm