indentation

noun

in·​den·​ta·​tion ˌin-ˌden-ˈtā-shən How to pronounce indentation (audio)
1
a
: the blank space produced by indenting : indention sense 1a
a half-inch indentation
b
: the action of indenting
indentation of a line of text
: the condition of being indented
a paragraph set out by indentation
2
a
: an angular cut (such as a notch) or something resembling such a cut in an edge
indentations along the edge of a leaf
b
: a usually deep recess (as along a coastline)
a coastline with many indentations
3
: dent
Test [the fish] by depressing the flesh with a finger; it should spring back to its original shape leaving no indentation.Carole Sugarman

Examples of indentation in a Sentence

Our style guidelines call for indentation of the first line of each paragraph. a coastline with many indentations There were several small indentations in the surface of the table.
Recent Examples on the Web
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.
Mats with polyurethane foam cores or bottom layers tend to have identification load deflection/indentation force deflection numbers, which measure the foam’s firmness. Bestreviews, Chicago Tribune, 16 May 2025 There were also small, round indentations near the tracks. Amanda Schupak, CNN Money, 25 Apr. 2025 After creating a three-dimensional scan of the area, researchers then compared the indentations to various animals’ teeth marks. Andrew Paul, Popular Science, 23 Apr. 2025 However, the number isn’t the only thing that’s significant, as the symmetry of these tiny indentations keeps balls moving in smooth patterns and prevents wobbling. Bestreviews, The Mercury News, 13 Mar. 2025 See All Example Sentences for indentation

Word History

First Known Use

15th century, in the meaning defined at sense 2a

Time Traveler
The first known use of indentation was in the 15th century

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Cite this Entry

“Indentation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/indentation. Accessed 2 Jun. 2025.

Kids Definition

indentation

noun
in·​den·​ta·​tion ˌin-ˌden-ˈtā-shən How to pronounce indentation (audio)
1
a
: an angular cut in an edge : notch
b
: a deep recess (as in a coastline)
2
a
: the action of indenting : the state of being indented
b
: a blank or empty space produced by indenting
3

More from Merriam-Webster on indentation

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