computer science


Definition of computer science

: 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

As the fight in Long Island City continues, computer science student Rahman is trying to stay hopeful. Natt Garun, The Verge, "For Queens residents, Amazon’s HQ2 isn’t arriving without a fight," 20 Nov. 2018 Two years ago, Sanjaya Wijeratne—a computer science PhD student at Wright State University—noticed something odd in his research. Arielle Pardes, WIRED, "Academics Gathered to Share Emoji Research, and It Was 🔥," 27 June 2018 LocationSmart took the flawed webpage offline Thursday, a day after Carnegie Mellon University computer science student Robert Xiao discovered the software bug and notified the company, Xiao told The Associated Press. Washington Post, "Website flaw exposes real-time locations of US cellphones," 17 May 2018 Founded in 2007 by two Massachusetts Institute of Technology computer science students, Drew Houston and Arash Ferdowsi, Dropbox sells software subscriptions that let users collaborate and share files online. Matt Phillips, New York Times, "Dropbox Priced at $21 a Share in I.P.O., Valuing Company at $9.2 Billion," 22 Mar. 2018 Lauren Clayton is a 20-year-old computer science student from Nashville. Jessica Guynn, USA TODAY, "Exclusive: Google expands Howard West to train more black coders," 30 Jan. 2018 UT-Dallas assigns about 75 of its computer science students per semester to lead the clubs at 50 elementary and middle school across North Texas, including Barbara Bush in Carrollton-Farmers Branch Independent School District. Elvia Limon, The Seattle Times, "Dallas-area elementary, middle school students learn coding," 17 Jan. 2018 Enrollment in the program has exploded in the past two years, said John. C. Hart, professor and director of online and professional programs at U. of I.’s computer science department. Ally Marotti,, "Companies in need of data scientists look to standardized test for hiring help," 5 July 2018 Ali Borji, 39, who taught at the University of Central Florida's computer science department, was charged with two misdemeanor counts of stalking when he was arrested Thursday at his office. Robert Gearty, Fox News, "Florida professor charged with stalking student; allegedly sent 800 texts in 1 day," 1 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'computer science.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of computer science

1961, in the meaning defined above

Keep scrolling for more

Learn More about computer science

Share computer science

Statistics for computer science

Last Updated

20 Feb 2019

Look-up Popularity

Time Traveler for computer science

The first known use of computer science was in 1961

See more words from the same year

Keep scrolling for more

More Definitions for computer science

computer science


English Language Learners Definition of computer science

: the study of computers and their uses

More from Merriam-Webster on computer science

Spanish Central: Translation of computer science

Comments on computer science

What made you want to look up computer science? Please tell us where you read or heard it (including the quote, if possible).


the range of authority or knowledge

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
True or False

Test your knowledge - and maybe learn something along the way.


Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!