computer science

noun

: a branch of science that deals with the theory of computation or the design of computers

Examples of computer science in a Sentence

She has a degree in computer science.
Recent Examples on the Web
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Professor Bin Tang, who teaches computer science at California State University, Dominguez Hills, told USA TODAY in an email that Allen took a few of his classes while earning his master’s degree. Kathryn Palmer, USA Today, 27 Apr. 2026 Reed Hastings, cofounder, former CEO, and now chairman of the board at Netflix, studied AI and computer science back in the 1980s. Marco Quiroz-Gutierrez, Fortune, 27 Apr. 2026 Allen also earned a master’s degree in computer science at California State University, Dominguez Hills in 2025, according to a commencement program. Los Angeles Times, Boston Herald, 27 Apr. 2026 The suspect was a mechanical engineering student there and graduated in 2017 before later obtaining a master’s degree in computer science from California State University in 2025, according to his LinkedIn and Facebook profiles. Emily Hallas, The Washington Examiner, 26 Apr. 2026 See All Example Sentences for computer science

Word History

First Known Use

1955, in the meaning defined above

Time Traveler
The first known use of computer science was in 1955

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Cite this Entry

“Computer science.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/computer%20science. Accessed 30 Apr. 2026.

Kids Definition

computer science

noun
: a branch of science that deals with the theory of computing or the design of computers
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