proband

[ proh-band ]
/ ˈproʊ bænd /

noun Genetics.

a patient who is the initial member of a family to come under study.

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a cylindrical wooden container with slightly bulging sides.
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unproductive; unfruitful
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Also called propositus.

Origin of proband

1925–30; <Latin probandus, gerundive of probāre to test, probe

Words nearby proband

probable, probable cause, probable error, probably, probacteriophage, proband, probang, probate, probate court, probation, probationary assistant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for proband

proband
/ (ˈprəʊbænd) /

noun

another name (esp US) for propositus (def. 2)

Word Origin for proband

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

Medical definitions for proband

proband
[ prō′bănd′ ]

n.

An individual or member of a family being studied in a genetic investigation.index case propositus
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.