Defn: An instrument by means of which a sound can be made to produce a visible trace or record of itself. It consists essentially of a resonant vessel, usually of paraboloidal form, closed at one end by a flexible membrane. A stylus attached to some point of the membrane records the movements of the latter, as it vibrates, upon a moving cylinder or plate.
PHONE
Phone, n. & v. t.
Defn: Colloq. for Telephone.
PHONEIDOSCOPE
Pho*nei"do*scope, n. Etym: [Phono- + Gr. -scope.] (Physics)
Defn: An instrument for studying the motions of sounding bodies by optical means. It consists of a tube across the end of which is stretched a film of soap solution thin enough to give colored bands, the form and position of which are affected by sonorous vibrations.
PHONETIC
Pho*net"ic, a. Etym: [Gr. phonétique. See Ban a proclamation.]
1. Of or pertaining to the voice, or its use.
2. Representing sounds; as, phonetic characters; — opposed to ideographic; as, a phonetic notation. Phonetic spelling, spelling in phonetic characters, each representing one sound only; — contrasted with Romanic spelling, or that by the use of the Roman alphabet.
PHONETICALLY
Pho*net"ic*al*ly, adv.
Defn: In a phonetic manner.