| Phonograph (phonograph) |
|---|
| n. | (?) |
|---|
| Pho"no*graph |
| [Phono- +
-graph.] |
A character or symbol used to
represent a sound, esp. one used in phonography.
An instrument for the
mechanical registration and reproduction of audible sounds, as
articulate speech, etc. It consists of a rotating cylinder or disk
covered with some material easily indented, as tinfoil, wax, paraffin,
etc., above which is a thin plate carrying a stylus. As the plate
vibrates under the influence of a sound, the stylus makes minute
indentations or undulations in the soft material, and these, when the
cylinder or disk is again turned, set the plate in vibration, and
reproduce the sound.
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In celebration of Noah Webster's Birthday (October 16, 2009), we have prepared an updated website. 