| seismograph definitions |
| # | Definition | Sets |
| 1 | a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake) | 30 sets |
| 2 | a device that writes down (records) the movements of the earth | 19 sets |
| 3 | n. an instrument for recording the phenomena of earthquakes. | 12 sets |
| 4 | a device that records ground movements caused by seismic waves as they move through earth | 11 sets |
| 5 | instrument that detects and measures earthquakes | 10 sets |
| 6 | an instrument that records earthquake waves | 8 sets |
| 7 | an instrument that records vibrations in the ground | 8 sets |
| 8 | a device that measures the strength of an earthquake | 8 sets |
| 9 | an instrument for recording the phenomena of earthquakes. | 7 sets |
| 10 | an instrument that detects and measures seismic waves of an earthquake | 7 sets |
| 11 | a device that records ground movements caused by seismic waves as they move through earth. | 6 sets |
| 12 | instrument that detects and measures earthquakes. | 6 sets |
| 13 | the instrument used to measure earthquakes | 6 sets |
| 14 | instrument that detects and measures seismic waves | 6 sets |
| 15 | an instrument that records vibrations in the ground and determines the location and strength of an earthquake | 5 sets |
| 16 | instrument that detects and measures earthquake | 5 sets |
| 17 | instrument that records earthquake waves | 5 sets |
| 18 | an instrument used to measure earthquakes | 4 sets |
| 19 | instruments that record earthquake waves | 4 sets |
| 20 | a scientific instrument that could detect earthquakes hundreds of miles away, invented during the han dynasty | 4 sets |
| 21 | machine that detects and records the intensity of earthquakes | 4 sets |
| 22 | instrument used to detect and record seismic waves | 4 sets |
| 23 | an instrument located at or near the surface of the earth that records seismic waves | 4 sets |
| 24 | an instrument that records seismic waves | 4 sets |
| 25 | instrument that plots the intensity of earthquake waves on a roll of specially marked graph paper. | 4 sets |
| 26 | tool that records movements in the earth's crust | 4 sets |
| 27 | a device that can detect and record seismic waves | 4 sets |
| 28 | an instrument that detects and measures seismic waves | 4 sets |
| 29 | measures seismic waves | 3 sets |
| 30 | an instrument for recording the phenomena of earthquakes | 3 sets |
| 31 | records and measures seismic waves | 3 sets |
| 32 | a device that measures the size of the waves created by an earthquake | 3 sets |
| 33 | an instrument that records and measures seismic waves | 3 sets |
| 34 | an instrument that constantly records ground movements | 3 sets |
| 35 | a device that measures the strength of an earthquake. | 3 sets |
| 36 | device that measures the strength of an earthquake | 3 sets |
| 37 | instrument that measures how much the earth moves | 3 sets |
| 38 | detects and records earthquakes | 3 sets |
| 39 | a device that writes down the movements of the earth | 3 sets |
| 40 | instrument used to register earthquake waves and record the time each arrived | 3 sets |