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# seismograph

«seismograph» in Mova's school dictionary: **A machine that measures and records how much the ground…** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (a seismograph, seismographs)

### meaning for a pupil

A machine that measures and records how much the ground shakes during an earthquake. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/seismograph/#m1)

### sense in the lessons

In geography and science lessons seismographs show earthquakes as zigzag lines on paper or a screen; bigger zigzags mean stronger shaking. Scientists use them to find where an earthquake happened and how strong it was. Phrases: «seismograph reading», «recorded on a seismograph».

### examples

- The seismograph drew big zigzag lines during the earthquake. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/seismograph/#x1)
- Scientists in New Zealand watch seismographs day and night. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/seismograph/#x2)
- A seismograph can detect earthquakes on the other side of the world. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/seismograph/#x3)
- We made a model seismograph with a pen and a moving strip of paper. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/seismograph/#x4)
- The seismograph showed small shakes before the volcano erupted. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/seismograph/#x5)
- Seismograph records help warn people about tsunamis. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/seismograph/#x6)

### note

Pronounced «SIZE-muh-graf». «Seismo-» means earthquake, «-graph» means writing or drawing. The record is a «seismogram»; the science is «seismology». Earthquake strength is given on the moment magnitude scale; each step up means much more energy (about 32 times more).

### Trees and pragmatics

[Every meaning and example of «seismograph» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/seismograph/), each sentence with its dependency tree and frames.