尿にょう沈ちん渣さにょうちんさMeanings1nounurinary sedimentmedicineMedical term for solid particles (cells, casts, crystals) found in urine during urinalysis.尿にょう沈ちん渣さ検けん査さで赤せっ血けっ球きゅうが多おおく見みられた。Many red blood cells were seen in the urinary sediment test.