Last Updated:2025/11/20
Abbreviation of autonomous oblast. / Abbreviation of autonomous okrug. / (US, Navy) Abbreviation of auxiliary oiler. / (chemistry) Initialism of atomic orbital. / Abbreviation of area of operations.
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AO
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Source Word
AO
IPA(Pronunciation)
Noun
abbreviation
alt-of
Navy
US
initialism
Japanese Meaning
自治州 / 自治管区 / 補助給油艦 / 原子軌道 / 作戦地域
Sense(1)
Sense(2)
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( plural )