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systematics

American  
[sis-tuh-mat-iks] / ˌsɪs təˈmæt ɪks /

noun

(used with a singular verb)
  1. the study of systems or of classification.

  2. Biology.

    1. the study and classification of organisms with the goal of reconstructing their evolutionary histories and relationships.

    2. phylogenetic classification.


systematics British  
/ ˌsɪstɪˈmætɪks /

noun

  1. (functioning as singular) the study of systems and the principles of classification and nomenclature

"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 systematics

First recorded in 1885–90; see origin at systematic, -ics

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.

Further study by National Systematics Lab scientist Abigail Reft identified the cells as spirocysts, which are unique to the Hexacorallia subgroup of cnidarians.

From Science Daily • Apr. 27, 2026

Systematics is a process used to put together the phylogeny of an organism.

From Textbooks • Jun. 9, 2022

Their research was published Wednesday in the journal Insect Systematics and Diversity.

From New York Times • Feb. 17, 2022

The paper was published in the journal Evolutionary Systematics.

From Washington Post • Dec. 16, 2021

Annual Review of Ecology and Systematics, 8:355-380, 2 figures.

From Metabolic Adaptation to Climate and Distribution of the Raccoon Procyon Lotor and Other Procyonidae by Mahlke-Johnson, Kathleen P.

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