interferometer shine "kayan aiki ne da ake amfani da shi don auna tsoma bakin fitilu biyu na haske ko wasu jiragen kasa na igiyoyin ruwa musamman don tantance tsayi ko saurin hanyoyin sauti da haske."A cikin sauki, interferometer na'ura ce da ke amfani da tsarin tsangwama da igiyoyin ruwa suka ƙirƙira (kamar raƙuman haske ko raƙuman sauti) don yin ma'auni daidai. Yana aiki ta hanyar raba igiyar ruwa zuwa sassa biyu sannan a sake haɗa su, yana ba da damar tantance tsarin tsangwama da ya haifar da yin amfani da shi don yin ma'auni. Ana amfani da interferometers a aikace-aikacen kimiyya da masana'antu iri-iri, gami da ilimin taurari, kimiyyar lissafi, da injiniyanci.