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ao

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ao¹

adverb

  1. abbreviation, initialism, not comparable Initialism of amongst/among/and others

ao²

Where it comes from

Borrowed from Japanese 青(あお) (ao).

noun

  1. uncountable grue ("blue or green", considered as one color)

AO³

  • /eɪ ˈəʊ/

proper noun

  1. abbreviation, initialism Initialism of Arctic oscillation
  2. abbreviation Abbreviation of Australian Open, a major tennis tournament, part of the Grand Slam.
  3. abbreviation, initialism Initialism of Anarchy Online
  4. abbreviation, initialism Initialism of Annoying Orange, an Internet-based cartoon series.

noun AOs

  1. abbreviation Abbreviation of autonomous oblast
  2. abbreviation Abbreviation of autonomous okrug
  3. abbreviation Abbreviation of area of operations
  4. abbreviation Abbreviation of alpha and omega
  5. abbreviation, initialism, physical Initialism of atomic orbital
  6. Navy, US, abbreviation Abbreviation of auxiliary oiler
  7. Hong Kong, abbreviation, initialism Initialism of administrative officer

adjective

  1. abbreviation, initialism, not comparable Initialism of adults only

Ao⁴

noun

  1. plural, plural only A tribe living primarily in the state of Nagaland in India.

proper noun

  1. Their language, belonging to the Tibeto-Burman language family.

Ao⁵

Where it comes from

From atonal romanization of the Mandarin pronunciation of Chinese 鰲 /鳌 (Áo) and 敖 (Áo).

proper noun

  1. A river in Zhejiang, China. To produce leather goods, plants dumped an estimated 8,000 tonnes of waste a day into the Ao River, transforming its once-clear waters into a foul-smelling cesspool.
  2. A river in Fujian, China. The Ao River currently provides water for Lianjian^([sic – meaning Lianjiang]) County, irrigation for agriculture, water to villages for drinking, to fish farms, animal farms, and industries. Before the construction of the Shanzai dam the dry season flow in the Ao River at the water works at downstr

Similar: Aojiang, Aokiang, Ao-chiang

Ao⁶

Where it comes from

From atonal romanization of the Mandarin pronunciation of Chinese 敖 (Áo).

proper noun Aos

  1. A surname from Chinese.

Ao⁷

Where it comes from

Borrowed from Cantonese 歐 /欧 (au¹) or Cantonese 區 /区 (au1). Doublet of Au.

proper noun Aos

  1. Macau A surname from Chinese.

Ao⁸

noun

  1. abbreviation Abbreviation of aorta

aO⁹

preposition

  1. abbreviation Abbreviation of about

Thesaurus

Closest in meaning: roa, todd, kutani, azure, cerulean, cobalt, indigo, sapphire, navy, teal, turquoise, aquamarine, cyan, sky-blue, baby-blue, royal-blue

proper noun

Similar: Aojiang, Aokiang, Ao-chiang

Translations

Every language

noun autonomous oblast — see also autonomous oblast

РусскийАО AO

noun autonomous okrug — see also autonomous okrug

РусскийАО AO

name river in Zhejiang, China

中文鰲 /鳌江 áo

name river in Fujian, China

中文敖江 Áojiāng

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Cite this
MLA

"ao." Wiktionary, via Micwyn, micwyn.com/word/ao. Accessed 6 Nov. 2026.

APA

ao. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/ao

Chicago

"ao." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/ao.

BibTeX
@misc{ao_2026,
  title = {ao},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/ao},
  urldate = {2026-11-06}
}