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subsurface

American  
[suhb-sur-fuhs, suhb-sur-] / sʌbˈsɜr fəs, ˈsʌbˌsɜr- /

adjective

  1. below the surface, especially of a body of water.


Etymology

Origin of subsurface

First recorded in 1770–80; sub- + surface

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.

Decades of geological records, subsurface physics, and mechanical telemetry are proving invaluable for asset management and monitoring, along with enabling advanced autonomous drilling capabilities.

From Barron's • May 28, 2026

"The soil itself absorbs heat. At the same time, it serves as a smothering method, removing the oxygen from the subsurface fire."

From Barron's • Apr. 30, 2026

Some of these materials even move into the subsurface, contributing to the formation of new minerals over time.

From Science Daily • Apr. 5, 2026

The relationship between the two companies began in 2008, when SLB first used Nvidia computing to enhance subsurface visualization and seismic imaging software.

From The Wall Street Journal • Mar. 25, 2026

The melting surface and subsurface ice would be transported by a great canal network.

From "Cosmos" by Carl Sagan

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