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Definitions

operating system

[op-uh-rey-ting sis-tuhm] / ˈɒp ə reɪ tɪŋ ˌsɪs təm /


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.

Not the hardware—which Jobs reluctantly abandoned because it cost too much and nobody wanted it—but the operating system, which proved to be as revolutionary as Jobs always claimed it would be.

From The Wall Street Journal • May 17, 2026

This includes the little green robot that Google uses as the mascot for its Android mobile operating system.

From BBC • May 13, 2026

QNX is the operating system that enables all kinds of driver assistance: collision warnings, blind-spot notifications, adaptive cruise control, pedestrian detection and steering you back into a lane when you’re drifting into trouble.

From The Wall Street Journal • May 2, 2026

Roku makes streaming devices and licenses its operating system to TV makers.

From Barron's • May 1, 2026

This is how having a funny brain that runs on a different operating system from other people’s helped me to figure out what had happened.

From "The London Eye Mystery" by Siobhan Dowd




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