un·der·sur·face
ˌən-dər-ˈsər-fəs 
: existing or moving below the surface
Examples of undersurface in a Sentence
Noun
painted the undersurface of the plane blue
Recent Examples on the Web
Rita Perwich, San Diego Union-Tribune, 1 July 2023
Scientists observed a beetle walking upside-down on the undersurface of a pool of water.
—New York Times, 26 July 2021
The spots enlarge and are mirrored on the undersurface of the leaf with a white downy growth.
—The Editors Of Organic Life, Good Housekeeping, 21 July 2015
When the undersurface of the first tablet was revealed, Dr. White got chills.
—Joanna Klein, New York Times, 7 Mar. 2017
Phil Plait, Discover Magazine, 2 Nov. 2011
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Noun
Pale green eggs are laid in clusters near the food source with each egg suspended at the end of slender silken threads attached to the undersurface of a leaf.
—Rita Perwich, San Diego Union-Tribune, 1 July 2023
Scientists observed a beetle walking upside-down on the undersurface of a pool of water.
—New York Times, 26 July 2021
The spots enlarge and are mirrored on the undersurface of the leaf with a white downy growth.
—The Editors Of Organic Life, Good Housekeeping, 21 July 2015
When the undersurface of the first tablet was revealed, Dr. White got chills.
—Joanna Klein, New York Times, 7 Mar. 2017
Adjective
Storms larger than planets, moons with undersurface oceans, lakes of methane, worldlets that occasionally swap places... ...
—Phil Plait, Discover Magazine, 2 Nov. 2011
Cite this Entry
“Undersurface.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undersurface. Accessed 20 May. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share