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[jee-ahr-dahy-uh-sis, jahr-] /ˌdʒi ɑrˈdaɪ ə sɪs, dʒɑr-/
noun, Pathology.
an intestinal disorder characterized by abdominal discomfort and prolonged, intermittent diarrhea, caused by the protozoan Giardia lamblia and contracted by drinking untreated water, as of streams or ponds, contaminated with the feces of infected animals.
Also called beaver fever.
Origin of giardiasis
First recorded in 1915-20; See origin at giardia, -asis Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for giardiasis


infection with the parasitic protozoan Giardia lamblia, which can cause severe diarrhoea
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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giardiasis in Medicine

giardiasis gi·ar·di·a·sis (jē'är-dī'ə-sĭs)
A condition in which the intenstines are infected with the protozoan Giardia lamblia. Also called lambliasis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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giardiasis in Science
An intestinal infection caused by the protozoan Giardia lamblia. It is usually asymptomatic in humans but can cause diarrhea, nausea, and abdominal cramping. Giardiasis is most commonly transmitted by contaminated water and by direct contact among individuals in group settings.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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