Thermophone
Thermophone Ther"mo*phone, n. [Thermo- + phone.] 1. A portable form of telethermometer, using a telephone in connection with a differential thermometer. [Webster 1913 Suppl.]

2. A telephone involving heat effects, as changes in temperature (hence in length) due to pulsations of the line current in a fine wire connected with the receiver diaphragm. [Webster 1913 Suppl.]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Thermophone — Thermophone, nach Wiborg Tonkugeln, die im Innern eine explosive Mischung enthalten, die detoniert, sobald ein bestimmter Wärmegrad erreicht ist. Die Zeit, bis der Knall erfolgt, wenn eine solche Kugel an einen heißen Ort (Ofen) gebracht wird,… …   Meyers Großes Konversations-Lexikon

  • thermophone — [tɛʀmɔfɔn] n. m. ÉTYM. 1890, P. Larousse, Deuxième Suppl.; de thermo , et phone. ❖ ♦ Didact. Appareil électroacoustique dans lequel les ondes acoustiques sont produites par des variations de température …   Encyclopédie Universelle

  • thermophone — /therr meuh fohn /, n. an electroacoustic transducer that forms sound waves by the expansion and contraction of the air adjacent to a conductor that varies in temperature according to the magnitude of the current passing through it; formerly used …   Universalium

  • thermophone — noun A form of transducer that generates sound waves of precise power …   Wiktionary

  • thermophone — ther·mo·phone …   English syllables

  • thermophone — /ˈθɜməfoʊn/ (say thermuhfohn) noun a device for producing soundwaves in which an electrical conductor is heated and cooled according to the current passing through it; the soundwaves are produced by the expansion and contraction of the air around …   Australian English dictionary

  • thermophone — ˈthərməˌfōn noun Etymology: International Scientific Vocabulary therm + telephone 1. : a portable telethermometer using a telephone in connection with a differential thermometer 2. : a telephone involving heat effects (as changes in temperature)… …   Useful english dictionary

  • therm- — therm(o) ♦ Élément, du gr. thermos « chaud », ou thermon « chaleur ». ⇒ therme. therm(o) , therme, thermie, thermique éléments, du gr. thermos, chaud , ou thermainein, chauffer …   Encyclopédie Universelle

  • thermo- — therm(o) ♦ Élément, du gr. thermos « chaud », ou thermon « chaleur ». ⇒ therme. therm(o) , therme, thermie, thermique éléments, du gr. thermos, chaud , ou thermainein, chauffer …   Encyclopédie Universelle

  • termofon — termofón s. n., pl. termofoáne Trimis de siveco, 10.08.2004. Sursa: Dicţionar ortografic  TERMOFÓN s.n. Instrument termoacustic, folosit fie ca emiţător de sunete, fie pentru măsurarea presiunii acustice. [< fr. thermophone]. Trimis de… …   Dicționar Român

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