IPA: /ˈrɪŋtoʊn/
KK: /ˈrɪŋtoʊn/
A sound that a phone makes to let you know someone is calling.
I changed my ringtone to a catchy song.
Ringtone is formed from "ring" (from Old English "hring", meaning a circular band or sound) and "tone" (from Latin "tonus", meaning sound or tone). The word "ringtone" refers to a sound that rings, typically used for notifications on phones.
Think of a 'ring' as a circular sound and 'tone' as a type of sound — together, they create a 'ringtone' that alerts you.