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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.

Their work appears in the open-access journal Evolutionary Systematics, which frequently publishes new findings in taxonomy and evolutionary biology.

From Science Daily • Dec. 5, 2025

According to a study published in the journal Evolutionary Systematics, the animal known as the eyelash viper, or Bothriechis schlegelii, isn’t just one species, but many.

From National Geographic • Feb. 13, 2024

Systematics provides guidelines that scientists use to describe the relationships of organisms.

From Textbooks • Jun. 9, 2022

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

From New York Times • Feb. 17, 2022

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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