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subsystem

American  
[suhb-sis-tuhm, suhb-sis-] / ˈsʌbˌsɪs təm, sʌbˈsɪs- /

noun

  1. a secondary or subordinate system.


Etymology

Origin of subsystem

sub- + system

Vocabulary lists containing subsystem

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.

The outage, caused by an internal subsystem issue, affected AWS’s US-East-1 region and global services relying on its infrastructure.

From Barron's • Oct. 20, 2025

“The root cause is an underlying internal subsystem responsible for monitoring the health of our network load balancers,” the company said on its health dashboard.

From Los Angeles Times • Oct. 20, 2025

The black box, being defined as part of a subsystem, is allowed to organize itself however it likes as long as it fulfills its function in the system.

From Salon • Apr. 26, 2025

As the subsystem expands, the amount of entanglement only grows along the boundary between the subsystem and the larger system.

From Science Daily • Apr. 24, 2024

The vascular system, however, while likened to a system of rubber tubes, must be regarded as a very live system, every subsystem having the property of separate control.

From Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. by Warfield, Louis Marshall

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