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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.

It was just out of earshot from Oz nodding along to musings on how “sleep is when the brain cleanses itself.”

From Slate • Jul. 1, 2026

Oz walked into the room sounding like the studio head Jack Woltz in “The Godfather.”

From Salon • Jun. 12, 2026

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

During an appearance on “The Dr. Oz Show,” the actor said, “I don’t want to go through this forever.”

From Los Angeles Times • May 28, 2026

Moments later, Oz released his angry captives and sent a huge crab scuttling straight at Jinny.

From "Orphan Island" by Laurel Snyder

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