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[jee-nee-ol-uh-jee, -al-, jen-ee-] /ˌdʒi niˈɒl ə dʒi, -ˈæl-, ˌdʒɛn i-/
noun, plural genealogies.
a record or account of the ancestry and descent of a person, family, group, etc.
the study of family ancestries and histories.
descent from an original form or progenitor; lineage; ancestry.
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 forms
[jee-nee-uh-loj-i-kuh l, jen-ee-] /ˌdʒi ni əˈlɒdʒ ɪ kəl, ˌdʒɛn i-/ (Show IPA),
genealogic, adjective
genealogically, adverb
genealogist, noun
nongenealogic, adjective
nongenealogical, adjective
nongenealogically, adverb
1. See pedigree. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for genealogy


noun (pl) -gies
the direct descent of an individual or group from an ancestor
the study of the evolutionary development of animals and plants from earlier forms
a chart showing the relationships and descent of an individual, group, genes, etc
Derived Forms
genealogical (ˌdʒiːnɪəˈlɒdʒɪkəl), genealogic, adjective
genealogically, adverb
genealogist, noun
Word Origin
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
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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
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genealogy in Medicine

genealogy ge·ne·al·o·gy (jē'nē-ŏl'ə-jē, -āl'-, jěn'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.
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