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Definition of computer

computer

/kəmˈpjuːtər/
com · put · er
Plural:computers
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computer Lexical Profile

computer Game Scores & Validity

• noun

1

An electronic device capable of receiving, storing, processing, and outputting data according to a set of programmed instructions.

Example

"She bought a new computer to run complex architectural simulations."

2

A person whose job is to make mathematical calculations, especially before the invention of electronic calculating devices.

Example

"During World War II, many talented women were hired as computers to manually calculate complex artillery trajectories."

Synonyms
View all synonyms for computer

• Rhymes for computer

• Nearby Words

computational
computationally
compute
computer
computerization
computerize
computerless

Word Origin & Etymology

First recorded in the 1640s meaning 'one who calculates,' derived from the verb 'compute' (from Latin 'computare'). By the mid-20th century, the meaning shifted to describe the electronic data-processing machines we use today.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Computer. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/computer
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