(Scientology) A subjective appraisal of a person's spiritual aliveness, usually given by an auditor, ranging from 'total failure' to 'serenity of beingness'.

A telephony signal, usually in the form of a sound, used to indicate that the telephone exchange is working, has recognized an off-hook, and is ready to accept a call.

plural of tone number

A number allocated to a syllable in various transliteration systems such as Hanyu Pinyin indicating the tone in which it is pronounced.

Having two colours or shades. / Giving two different sounds, either alternately or simultaneously.

Alternative form of halftone

Alternative form of halftone

(music) A superposition of sine waves, separated by an octave, whose relative amplitude may be varied to give the illusion of a rising or falling note.

Relating to a type of telephone with buttons, each of which produces a tone which corresponds to the relevant digit.

a light, balanced arm that holds the pickup cartridge on a record player