object-oriented programming

noun

: a type of computer programming in which programs are composed of objects (see object entry 1 sense 6a) which communicate with each other, which may be arranged into hierarchies, and which can be combined to form additional objects

Word History

First Known Use

1981, in the meaning defined above

Time Traveler
The first known use of object-oriented programming was in 1981

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“Object-oriented programming.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/object-oriented%20programming. Accessed 5 Jul. 2026.

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