name, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Initialism of airways and air communications system,airways and air communications service. abbreviation, alt-of, initialism
2. 2
   plural of AAC form-of, plural
3. 3
   Initialism of army air corps squadron. abbreviation, alt-of, initialism
4. 4
   Initialism of army air communications system. abbreviation, alt-of, initialism

Proper Noun

1. 1
   Initialism of Airborne Astrographic Camera System. abbreviation, alt-of, initialism
2. 2
   Initialism of Advanced Access Content System. abbreviation, alt-of, initialism

Synonyms

All synonyms

autoclaved aerated concreteautoclaved cellular concreteautoclaved concreteautoclaved lightweight concreteporous concreteusaac

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