ring·tone 
(rĭngtōn′)
(rĭngtōn′)n.
A digital sound file that a telephone plays to indicate an incoming call.
- abscissa
- abscission
- abscission zone
- abscond
- absconder
- abseil
- absence
- absence seizure
- absent
- absentee
- absentee ballot
- absenteeism
- absentee vote
- absentee voter
- absently
- absent-minded
- absent-mindedly
- absent-mindedness
- absent without leave
- absinth
- absinthe
- absolute
- absolute alcohol
- absolute convergence
- absolute humidity