computer
Americannoun
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a programmable electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Mainframes, desktop and laptop computers, tablets, and smartphones are some of the different types of computers.
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a computer program or algorithm.
A computer can write a pop tune, but there's no guarantee it will be a hit.
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a person who computes; computist.
noun
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a device, usually electronic, that processes data according to a set of instructions. The digital computer stores data in discrete units and performs arithmetical and logical operations at very high speed. The analog computer has no memory and is slower than the digital computer but has a continuous rather than a discrete input. The hybrid computer combines some of the advantages of digital and analog computers See also digital computer analog computer hybrid computer
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( as modifier )
computer technology
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a person who computes or calculates
Other Word Forms
- computerlike adjective
- noncomputer adjective
Etymology
Origin of computer
First recorded in 1640–50; compute + -er 1; compare Middle French computeur
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.
To move beyond these limitations, Mercier and his team, including first author Jae-Young Ko, an electrical and computer engineering Ph.D. student at UC San Diego, investigated a different approach using piezoelectric resonators.
From Science Daily • Apr. 10, 2026
A brainwave interface translating these signals into computer instructions then allowed her to convey which of these movements she wanted her mixed-reality avatar to dance in real-time.
From BBC • Apr. 10, 2026
McKay, who joined Royal Bank in 1983 as a co-op student in computer programming before moving into its retail banking arm, described it as a once-in-a-generation moment for Canada.
From The Wall Street Journal • Apr. 9, 2026
“Faces of Death” is so steeped in the computer monitor’s point of view that, ultimately, the internet isn’t merely the defendant on trial — it’s also the judge and jury.
From Los Angeles Times • Apr. 9, 2026
I get to homeroom early enough to snag a computer.
From "The Tenth Mistake of Hank Hooperman" by Gennifer Choldenko
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.