magnetic needleEnglishOxford New American Dictionarymagnetic needle /maɡˌnedik ˈnēdl, mæɡˌnɛdɪk ˈnidl/ ▸ noun a piece of magnetized steel used as an indicator on the dial of a compass and in magnetic and electrical apparatus.
EnglishOxford New American DictionaryEnglishOxford New American Dictionary
EnglishOxford New American Dictionary