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OS X. In DICTIOUS you will not only get to know all the dictionary meanings for the word
OS X, but we will also tell you about its etymology, its characteristics and you will know how to say
OS X in singular and plural. Everything you need to know about the word
OS X you have here. The definition of the word
OS X will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
OS X, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
English
Etymology
Ellipsis of Mac OS X; from OS (“operating system”) + X (“ten”, Roman numeral), as a successor to Mac OS 9.
Pronunciation
Proper noun
OS X
- (computing, trademark) Former name of macOS; itself formerly known as Mac OS X.
References
- “What is an operating system (OS)?”, in Apple Support, 14 November 2007, archived from the original on 26 February 2009: “The current version of Mac OS is Mac OS X (pronounced "Mac O-S ten").”
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