operating-system
UK/'ɒpəreɪtɪŋ-'sɪstəm/US
Definitions
n.
The core software that manages a computer's hardware and runs other programs.
操作系统（管理计算机硬件并运行其他程序的核心软件）。
Root Breakdown
Root-derivedoperating (running, functioning) + system = 'the system that makes the computer run.' A modern compound: the operating system is the software that operates the machine, managing its basic functions so other programs can work.
Root st still carries 376 more wordsExample Sentences
- 1.
Windows and macOS are the most common operating systems.
- 2.
The phone runs on the latest version of its operating system.