Definitions for urinalysisˌyʊər əˈnæl ə sɪs; -ˌsiz
Random House Webster's College Dictionary
u•ri•nal•y•sisˌyʊər əˈnæl ə sɪs; -ˌsiz(n.)(pl.)-ses
a diagnostic analysis of urine.
Origin of urinalysis:
1885–90; urine+ (an )alysis
(medicine) the chemical analysis of urine (for medical diagnosis)
The comprehensive analysis of urine.
U.S. National Library of Medicine
Examination of urine by chemical, physical, or microscopic means. Routine urinalysis usually includes performing chemical screening tests, determining specific gravity, observing any unusual color or odor, screening for bacteriuria, and examining the sediment microscopically.
A urinalysis, also known as routine and microscopy, is an array of tests performed on urine, and one of the most common methods of medical diagnosis. The word is a portmanteau of the words urine and analysis. The target parameters that can be measured or quantified in urinalysis include many substances and cells, as well as other properties, such as specific gravity. A part of a urinalysis can be performed by using urine test strips, in which the test results can be read as color changes. Another method is light microscopy of urine samples.