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Vinony

subsurface

adjective

  1. under the surface
L42754 on Wikidata ↗

Wiktionary

adj

Etymology: Etymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- Middle French surfacebor. English surface English subsurface From sub- + surface.

  1. Below the surface.

    “variations in subsurface conditions”

noun

Etymology: Etymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- Middle French surfacebor. English surface English subsurface From sub- + surface.

  1. Something that is below the layer that is on the surface.

    “Before we could lay the flooring we had to lay a subsurface under it to keep it flat and support it.”

  2. A surface which is a submanifold of another surface.