Ma'anar ƙamus na kalmar "amyloysis" ita ce rushewa ko hydrolysis na sitaci zuwa mafi sauƙi mahadi kamar glucose, maltose, da dextrins ta hanyar aikin enzymes. Wani tsari ne da ke faruwa a zahiri yayin narkewa kuma ana amfani da shi a cikin hanyoyin masana'antu daban-daban kamar yin burodi, yin burodi, da kuma samar da syrups na glucose.
