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Synonyms

CPU

American  

abbreviation

Computers.
  1. central processing unit: the key component of a computer system, which contains the circuitry necessary to interpret and execute program instructions.


CPU British  

abbreviation

  1. central processing unit

"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

CPU Scientific  
  1. Abbreviation of central processing unit


CPU Cultural  
  1. An abbreviation for c entral p rocessing u nit. The “brain” of a computer, the CPU is where data manipulation actually takes place. The results of these manipulations are then stored in the computer memory. Microprocessors perform this function in personal computers.


Etymology

Origin of CPU

First recorded in 1965–70

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.

“We likely see enough progress to keep the foundry alive, with a clear ability to beat-and-raise near term given server CPU shortages.”

From Barron's • Jun. 8, 2026

Nvidia is struggling to get the market to focus on its graphic-processing units and its nascent stand-alone CPU business.

From Barron's • Jun. 3, 2026

Over the weekend, at a trade show in Taiwan, Nvidia got Wall Street primed by introducing several products, including its new, more powerful Vera CPU, which needs liquid cooling External link.

From Barron's • Jun. 2, 2026

The next phase of AI is likely to be less about one chip and more about the full stack needed to scale AI, from CPU, GPU, memory to networking and servers, she says.

From The Wall Street Journal • Jun. 2, 2026

I do my best to act normal, but when CPU brings back her toy, Ray doesn’t throw it again.

From "The Tenth Mistake of Hank Hooperman" by Gennifer Choldenko

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