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proband

[proh-band] /ˈproʊ bænd/
noun, Genetics.
1.
a patient who is the initial member of a family to come under study.
Also called propositus.
Origin
1925-1930
1925-30; < Latin probandus, gerundive of probāre to test, probe
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for proband
  • The brothers and sisters of the proband are called siblings.
British Dictionary definitions for proband

proband

/ˈprəʊbænd/
noun
1.
another name (esp US) for propositus (sense 2)
Word Origin
C20: from Latin probandus, gerundive of probāre to test
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 proband
n.

1929, from Latin probandus, gerundive of probare "to make good, esteem good; make credible, show, prove, demonstrate" (see prove).

Online Etymology Dictionary, © 2010 Douglas Harper
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proband in Medicine

proband pro·band (prō'bānd')
n.
An individual or member of a family being studied in a genetic investigation. Also called index case, propositus.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Difficulty index for proband

Few English speakers likely know this word

Word Value for proband

12
15
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