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  • A/O
    A/O
    account of.
  • AO
    AO
    abbreviation
    Officer of the Order of Australia
  • ao
    ao
    abbreviation
    Angola

A/O

American  
Or a/o
  1. account of.

  2. and others.


AO 1 British  

abbreviation

  1. Officer of the Order of Australia

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

A/O 2 British  

abbreviation

  1. account of

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ao 3 British  

abbreviation

  1. Angola

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"This was science in action!" esteemed melanoma surgeon John Thompson AO said in a statement paying tribute to his friend.

From BBC Jun. 7, 2026

In February, Malik announced that his biggest-ever solo tour would include 31 dates worldwide and kick off at Manchester's AO Arena on 12 May.

From BBC May 1, 2026

"The AO has a striking complexity when compared to apical organs of cnidarian and bilaterian. It is so unique!"

From Science Daily Mar. 6, 2026

His frightening reward: Sinner, the Italian hurricane and reigning back-to-back AO champion whom Djokovic hadn’t beaten in more than two years.

From The Wall Street Journal Jan. 30, 2026

The platoon had been working an AO out in the foothills west of Quang Ngai City, and for some time they’d been receiving intelligence about an NVA buildup in the area.

From "The Things They Carried" by Tim O'Brien

There will be plenty of traditional Vietnamese food, lion dances, a curated ao ao dai fashion show and more.

From Seattle Times Jan. 5, 2023

The way Topa Pila sees it, it’s a lot to ask of the inexperienced health care workers on their ao rural.

From Scientific American Jun. 10, 2022

Children whizzed through the sky on carnival rides, their shiny polyester ao dais fluttering in the air.

From Los Angeles Times Feb. 10, 2019

And while the departure of Froome’s lieutenant Richie Porte to BMC is a blow, his new No2, Geraint Thomas, has performed impressively in 2016, winning the Volta ao Algarve and Paris-Nice.

From The Guardian Jun. 28, 2016

There are thirteen Diphthongs reckoned in Gaelic; ae, ai, ao, ea, ei, eo, eu; ia, io, iu; oi; ua, ui.

From Elements of Gaelic Grammar by Alexander Stewart

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