al ‧ pha ‧ bet /ˈælfəbet/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Language: Late Latin ; Origin: alphabetum , from Greek , from alpha ( ⇨ ↑ alpha ) + beta ( , ↑ beta ) ]
a set of letters, arranged in a particular order, and used in writing
the Greek/Roman etc alphabet
the international phonetic alphabet