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subsurface

American

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

adjective

below the surface, especially of a body of water.

Etymology

Origin of subsurface

First recorded in 1770–80; sub- + surface

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.