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Oz

1 American  
[oz] / ɒz /

noun

Australian Slang.
  1. Australia.


Oz 2 American  
[oz] / ɒz /

noun

  1. Land of Oz.


oz. 3 American  

abbreviation

  1. ounce; ounces.


Oz 1 British  
/ ɒz /

noun

  1. slang 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

oz 2 British  

abbreviation

  1. ounce

"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

oz Scientific  
  1. Abbreviation of ounce


Etymology

Origin of Oz1

Jocular back formation from Aussie ( def. ) (with voiced sibilant)

Origin of oz.3

Abbreviation of Italian onza

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.

Grande starred as Glinda the good witch in the Wizard of Oz spin-off, while Slater portrayed Boq Woodsman, who is later turned into the Tin Man.

From BBC • Jun. 9, 2026

Oz is now the head of the Centers for Medicare and Medicaid Services under Trump.

From Salon • May 30, 2026

“A third of all these programs in the entire country are in Los Angeles. Ask yourself, how is that possible? It’s not,” Oz said.

From Los Angeles Times • May 13, 2026

Mehmet Oz, the Trump administration’s overseer of Medicare and Medicaid, said he may have uncovered huge amounts of fraud in Medicaid hospice spending.

From MarketWatch • Apr. 29, 2026

“Remember when we saw The Wizard of Oz at the Gem?”

From "The Lions of Little Rock" by Kristin Levine

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