subsurface

American  

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

adjective

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

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Etymology

Origin of subsurface

First recorded in 1770–80; sub- + surface

Example Sentences

The spacecraft is designed to study Europa's ice shell, subsurface ocean, and overall habitability using a suite of scientific instruments.

From Science Daily

The crew was looking for clues that would help it better understand what the subsurface looks like, and where to eventually drill production wells.

From The Wall Street Journal

Because seismic waves move differently through each material, the type of subsurface strongly influences how shaking is felt at the surface.

From Science Daily

But nearly two years later, water started to ooze from a different well in the same area, a sign that bottling up the geyser likely repressurized the subsurface and triggered the new outburst, scientists said.

From The Wall Street Journal

“We’re drilling into the subsurface. It requires a rig crew, it requires pipe — it’s all the same project operations, and because of that, it’s just kind of a natural home for it,” she said.

From MarketWatch