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quadrat

American  
[kwod-ruht] / ˈkwɒd rət /

noun

  1. Printing. quad.

  2. Ecology. a square or rectangular plot of land marked off for the study of plants and animals.


quadrat British  
/ ˈkwɒdrət /

noun

  1. ecology an area of vegetation, often one square metre, marked out for study of the plants in the surrounding area

  2. the frame used to mark out such an area

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of quadrat

First recorded in 1675–85; variant of quadrate

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This hypothesis can be tested by constructing a quadrat and calculating mortality rates at different age intervals.

From Textbooks • Jun. 9, 2022

For immobile organisms such as plants, or for very small and slow-moving organisms, a quadrat may be used.

From Textbooks • Sep. 6, 2018

A quadrat is a square structure that is randomly located on the ground and used to count the number of individuals that lie within its boundaries.

From Textbooks • Sep. 6, 2018

A quadrat is a wood, plastic, or metal square that is randomly located on the ground and used to count the number of individuals that lie within its boundaries.

From Textbooks • Apr. 25, 2013

Natheles the same nombre is not quadrat and cubike.

From The Earliest Arithmetics in English by Steele, Robert