accelerograph

noun — 2 senses

accelerograph

noun

Etymology From accelero- + -graph.

1

Government, Military, Politics, War An apparatus for studying the combustion of powder in guns, etc.

2

Geography, Geology, Natural sciences An instrument used to record the acceleration of the ground during an earthquake.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.