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1. (n.) microphone
an instrument capable of transforming sound waves into changes in electric currents or voltage, used in recording or transmitting sound.
Etymology: (1875–80; micro -, in sense “enlarging”+ -phone)
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| Definition of 'MICROPHONE' |
Princeton's WordNet |
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1. (noun) microphone, mike
device for converting sound waves into electrical energy
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1. (noun) microphone
a device used to make sb's voice louder
Please speak directly into the microphone.
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| Definition of 'MICROPHONE' |
Webster Dictionary |
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1. (noun) MICROPHONE
an instrument for intensifying and making audible very feeble sounds. It produces its effects by the changes of intensity in an electric current, occasioned by the variations in the contact resistance of conducting bodies, especially of imperfect conductors, under the action of acoustic vibrations
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| Definitions of 'MICROPHONE' |
The Nuttall Encyclopedia |
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1. MICROPHONE
an instrument invented in 1878 by Professor Hughes, and consisting of charcoal tempered in mercury, which intensifies and renders audible the faintest possible sound.
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| Definition of 'MICROPHONE' |
The Standard Electrical Dictionary |
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1. MICROPHONE
An apparatus which includes a contact of variable resistance; such resistance can be varied in amount by slight vibrations, such as those produced by sound waves. The apparatus in use forms part of a circuit including a telephone and current generator. As the contact is varied the resistance of the circuit and consequently the current intensity changes and sounds are emitted by the telephone corresponding to such changes. If the microphone is spoken to, the telephone will emit corresponding sounds, reproducing the voice.
It has been found in practice that carbon gives the best microphone contact. One of the simplest and earliest forms is shown in the cut. A short rod or pencil of carbon, A, such as used in batteries, is sharpened at the ends and rests loosely in a vertical position between two blocks of carbon, C C, in each of which a hole is drilled to receive one of the points. The blocks are carried on a standard and base D. The blocks are connected with two terminals x, y, of a circuit, including a telephone and battery. There are two contacts to be disturbed.
If delicately adjusted a fly walking over the base-board will disturb the contacts enough to produce sounds in the telephone. These sounds are possibly not due only to sound waves, but in part to absolute mechanical disturbances.
The various forms of telephone transmitter are generally microphones.
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Sense: (
Speak into the microphone.
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 Afrikaans: mikrofoon |
 Arabic: مِكروفون |
 Bulgarian: микрофон |
 Brazilian: microfone |
 Czech: mikrofon |
 German: das Mikrophon |
 Danish: mikrofon |
 Greek: μικρόφωνο |
 Spanish: micrófono |
 Estonian: mikrofon |
 Farsi: میکرو فن |
 Finnish: mikrofoni |
 French: micro(phone) |
 Hebrew: מִיקרוֹפוֹן |
 Hindi: माइक |
 Croatian: mikrofon |
 Hungarian: mikrofon |
 Indonesian: mikropon |
 Icelandic: hljóðnemi |
 Italian: microfono |
 Japanese: マイクロフォン |
 Korean: 마이크로폰 |
 Lithuanian: mikrofonas |
 Latvian: mikrofons |
 Malay: mikrofon |
 Dutch: microfoon |
 Norwegian: mikrofon |
 Polish: mikrofon |
 Persian: میکرو فن |
 Pashto: مايكروفون |
 Portuguese: microfone |
 Romanian: microfon |
 Russian: микрофон |
 Slovak: mikrofón |
 Slovenian: mikrofon |
 Serbian: mikrofon |
 Swedish: mikrofon |
 Thai: เครื่องขยายเสียง |
 Turkish: mikrofon |
 Taiwanese: 麥克風 |
 Ukrainian: мікрофон |
 Urdu: خرد صوتیہ، مائک |
 Vietnamese: micrô |
 Chinese: 麦克风，扩音器 |
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Definitions of MICROPHONE 
