accelerograph

English

Etymology

From accelero- +‎ -graph.

Noun

accelerograph (plural accelerographs)

1. (military) An apparatus for studying the combustion of powder in guns, etc.
2. (geology) An instrument used to record the acceleration of the ground during an earthquake.

Translations

instrument used to record the acceleration of the ground during an earthquake

• Portuguese: acelerógrafo m

Further reading

• accelerograph on Wikipedia.Wikipedia