quadrat

noun

quad·​rat ˈkwä-drət How to pronounce quadrat (audio)
-ˌdrat
1
2
: a usually rectangular plot used for ecological or population studies

Examples of quadrat in a Sentence

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.
For example, if the quadrat is 2 feet by 2 feet, your quadrat is 4 square feet. Avery Hurt, National Geographic, 26 June 2020

Word History

Etymology

alteration of quadrate entry 2

First Known Use

1683, in the meaning defined at sense 1

Time Traveler
The first known use of quadrat was in 1683

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Cite this Entry

“Quadrat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quadrat. Accessed 3 Jul. 2026.

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