noun
Medical term for sediment or settled material, especially in urine or other body fluids. Often appears in compound 尿沈渣 (urinary sediment).
See also: 尿沈渣
尿沈渣検査で異常が見つかった。
An abnormality was found in the urinary sediment test.
沈渣を顕微鏡で観察する。
Observe the sediment under a microscope.