proband

[ proh-band ]

/ ˈproʊ bænd /

noun Genetics.

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

Nearby words

probable, probable cause, probable error, probably, probacteriophage, proband, probang, probate, probate court, probation, probation officer

Origin of proband

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

Also called propositus.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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

Word Origin and History for proband

proband

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

Medicine definitions for proband

proband

[ prō′bănd′ ]

n.

An individual or member of a family being studied in a genetic investigation.index case propositus