as in underside
the side or part facing downward from something
painted the undersurface of the plane blue
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Recent Examples of undersurface
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
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
Recent Examples of Synonyms for undersurface
Noun
-
The underside of its wings are honey yellow and with rusty red with black patches, according to the study.—
Lauren Liebhaber
July 8,
Miami Herald,
8 July 2025
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Forming a slowly spreading colony of 24-inch-tall, gracefully arching stems, plants produce lightly fragrant white spring flowers that hang like little white bells from the underside of each stem.—
Paul Cappiello,
The Courier-Journal,
2 July 2025
Noun
-
The other is a special racket bag that features his signature logo at the bottom and icons for milestones in his career.—
Merlisa Lawrence Corbett,
Forbes.com,
6 July 2025
-
However, the firework shot out backward, exiting from the bottom of the tube and hitting the teen in the chest, the sheriff’s office said.—
Kansas City Star,
Kansas City Star,
6 July 2025
Cite this Entry
“Undersurface.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undersurface. Accessed 18 Jul. 2025.
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