Aao

name, noun

name, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Initialism of anodic aluminium oxide. abbreviation, alt-of, initialism, uncountable
  2. 2
    Abbreviation of ascending aorta. abbreviation, alt-of
Proper Noun
  1. 1
    Initialism of Australian Astronomical Observatory, formerly the Anglo-Australian Observatory. abbreviation, alt-of, initialism

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