emulgent adjective 2noun 2forms 1 adjective2 •Of a straining or purifying process. •Of the renal arteries and veins.By the motion of the Heart, through the Emulgent Branches, the Blood is brought to the Kidneys, and is there freed of its Serum by their little Glands, […] — 1705 noun2 •A substance promoting bile or urine production •A renal artery or vein. formsemulgents