[jee-nee-ol-uh-jee, -al-, jen-ee-]
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noun, plural ge·ne·al·o·gies.
  1. a record or account of the ancestry and descent of a person, family, group, etc.
  2. the study of family ancestries and histories.
  3. descent from an original form or progenitor; lineage; ancestry.
  4. Biology. a group of individuals or species having a common ancestry: The various species of Darwin's finches form a closely knit genealogy.

Origin of genealogy

1250–1300; Middle English genealogie < Middle French < Late Latin geneālogia < Greek geneālogía pedigree, equivalent to geneā́ race (see gene) + -logia -logy
Related formsge·ne·a·log·i·cal [jee-nee-uh-loj-i-kuh l, jen-ee-] /ˌdʒi ni əˈlɒdʒ ɪ kəl, ˌdʒɛn i-/, ge·ne·a·log·ic, adjectivege·ne·a·log·i·cal·ly, adverbge·ne·al·o·gist, nounnon·ge·ne·a·log·ic, adjectivenon·ge·ne·a·log·i·cal, adjectivenon·ge·ne·a·log·i·cal·ly, adverb

Synonyms for genealogy

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1. See pedigree. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for genealogy

Contemporary Examples of genealogy

Historical Examples of genealogy

British Dictionary definitions for genealogy


noun plural -gies
  1. the direct descent of an individual or group from an ancestor
  2. the study of the evolutionary development of animals and plants from earlier forms
  3. a chart showing the relationships and descent of an individual, group, genes, etc
Derived Formsgenealogical (ˌdʒiːnɪəˈlɒdʒɪkəl) or genealogic, adjectivegenealogically, adverbgenealogist, noun

Word Origin for genealogy

C13: from Old French genealogie, from Late Latin geneālogia, from Greek, from genea race
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

Word Origin and History for genealogy

early 14c., "line of descent, pedigree, descent," from Old French genealogie (12c.), from Late Latin genealogia "tracing of a family," from Greek genealogia, from genea "generation, descent" (see genus) + -logia (see -logy). An Old English word for it was folctalu, literally "folk tale." Meaning "study of family trees" is from 1768.

Online Etymology Dictionary, © 2010 Douglas Harper

genealogy in Medicine


[jē′nē-ŏlə-jē, -ăl-, jĕn′ē-]
  1. A record or table of the descent of a person, family, or group from an ancestor or ancestors; a family tree.
  2. The study or investigation of ancestry and family histories.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.