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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.

It rotates on its side, has an irregular magnetic field, and is surrounded by moons that may contain subsurface oceans beneath icy crusts.

From Science Daily • Apr. 3, 2026

The partnership intends to help energy companies transform the vast amounts of operational data they generate across subsurface, production and energy infrastructure into helpful insights.

From The Wall Street Journal • Mar. 25, 2026

The partnership intends to help energy companies transform operational data across subsurface, production, and energy infrastructure into insights.

From The Wall Street Journal • Mar. 25, 2026

"Establishing credible pathways for COMs formation and delivery provides scientists with a critical framework for interpreting upcoming measurements of Jupiter's surface and subsurface chemistry," Mousis said.

From Science Daily • Mar. 1, 2026

There should be permafrost, a perpetually frozen subsurface.

From "Cosmos" by Carl Sagan