family tree

noun

Definition of family tree

1 : genealogy
2 : a genealogical diagram

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Examples of family tree in a Sentence

A framed family tree hung on the wall. his family tree includes writers, musical composers, and other notables in the arts

Recent Examples on the Web

From teeth of these plague victims, scientists have pieced together a family tree of Y. pestis, discovering that the strain from the Justinian Plague was related to, but distinct from, other strains of the plague. Jenny Howard, National Geographic, "Plague, explained," 20 Aug. 2019 Meanwhile, political scientist Thomas Milan Konda’s book, Conspiracies of Conspiracies, maps out a family tree of the sprawling, frequently anti-Semitic theories that the United States has nurtured stretching back to the eighteenth century. J.c. Pan, The New Republic, "Democratic Rot and the Origins of American Conspiracism," 3 July 2019 In fact, by following the family trees of the flowering plants back to their base, researchers have determined that the very first angiosperms had small genomes. Quanta Magazine, "With ‘Downsized’ DNA, Flowering Plants Took Over the World," 16 June 2019 Using the genetic genealogy from the women, investigators arduously constructed family trees and profiles and compared them against a DNA database. Marlena Baldacci And Hollie Silverman, CNN, "Police exhume body of a woman found more than 30 years ago. They're trying to identify her with DNA technology," 30 July 2019 Authorities identified the woman — Tina L. Cabanaw of the Detroit area — through a family tree and a DNA test of her daughter, Jessica Gallegos of Colorado. Washington Post, "National Digest: Extreme heat on East Coast forces event cancellation as residents are urged to take it easy," 22 July 2019 Months of work tracing the men on that large family tree brought them finally to Joe DeAngelo, a name that had never been on the suspect list. Tribune News Service, oregonlive.com, "The Man in the Window: Closing in on DeAngelo (Part Four)," 23 June 2019 Although the two microbial groups were only distantly related, the gene transfer allowed the researchers to use the cyanobacteria family tree and its fossils to more accurately date the molecular-clock data for the archaea. Quanta Magazine, "Chronological Clues to Life’s Early History Lurk in Gene Transfers," 24 Apr. 2018 The Alp family tree was a stump mutilated by cancer and coronaries. Colin Barrett, Harper's magazine, "The Alps," 22 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'family tree.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of family tree

1763, in the meaning defined at sense 1

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More Definitions for family tree

family tree

noun

English Language Learners Definition of family tree

: a drawing or chart that shows how the different members of a family are related to each other

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