W3

W3 or W-3 may refer to:W3 (tram), a class of electric trams built by the Melbourne & Metropolitan Tramways Board W3, a postcode district in the W postcode area Apple W3, a wireless chip used in the Apple Watch Series 4. PZL W-3 Sokół, a Polish helicopter The Amazing 3, a manga and anime series, known in Japan as Wonder 3 Arik Air, which has IATA code W3 The fourth step of the W0-W6 scale for the classification of meteorites by weathering The U.S. Internal Revenue Service form W-3, a transmittal form for Form W-2 information Webster's Third New International Dictionary, the 1961 edition of Webster's Dictionary The World Wide Web, abbreviated 'W3' on the earliest web pages World Wide Web Consortium, international standards organization for the World Wide Web Windows 3.0, a Microsoft operating system