Origin and Etymology of giardiasis
First Known Use: 1919
Medical Definition of giardiasis
: infestation with or disease caused by a flagellate protozoan of the genus Giardia (especially G. lamblia) that is often characterized by diarrhea—called also lambliasis
Seen and Heard
What made you want to look up giardiasis? Please tell us where you read or heard it (including the quote, if possible).