e-bookEnglishMerriam-Webster Dictionarye-book noun \ ˈē-ˌbu̇k \ a book composed in or converted to digital format for display on a computer screen or handheld device Definition : a book composed in or converted to digital format for display on a computer screen or handheld deviceFirst Known Use2000, in the meaning defined abovee-book noun \ ˈē-ˌbu̇k \ a book composed in or converted to digital format for display on a computer screen or handheld device Definition : a book composed in or converted to digital format for display on a computer screen or handheld deviceFirst Known Use2000, in the meaning defined above