| 单词 |
harmonograph |
| 释义 |
harmonograph|hɑːˈmɒnəgrɑːf, -æ-| [f. as next + -graph.] An instrument for tracing curves representing sonorous vibrations.
1879Jrnl. Sci. N.S. I. 508 Mr. W. J. Wilson exhibited a new harmonograph and figures drawn by it. 1880Athenæum 20 Nov. 679/1 Mr. Bosanquet..gave the mathematical theory of the curves drawn by the harmonograph. |

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