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 Solution: Check the plants carefully for signs of pests, and make sure to look on the underside of your plant leaves, too.—
Lauren Landers,
Better Homes & Gardens,
28 June 2025
-
Stamps or maker’s marks are often located on the underside of items.—
Sarah Lyon,
Southern Living,
27 June 2025
Noun
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In the bottom of the sixth, however, an opportunity for the Dodgers finally arose.—
Houston Mitchell,
Los Angeles Times,
23 June 2025
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The Wings alum opted for a white spaghetti strap dress with lemons and a striped design at the bottom.—
Raven Brunner,
People.com,
23 June 2025
Cite this Entry
“Undersurface.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undersurface. Accessed 8 Jul. 2025.
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