tiltmeter

American  

[tilt-mee-ter] / ˈtɪltˌmi tər /

noun

Geology.

1. an instrument used to measure slight changes in the inclination of the earth's surface, usually in connection with volcanology and earthquake seismology.

---

Etymology

Origin of tiltmeter

First recorded in 1930–35; tilt ¹ + -meter

Example Sentences

The last video shows how a GPS unit and tiltmeter can detect land surface changes, indicating the magma is moving underneath it.

From Textbooks • Jan. 1, 2017

GPS is more effective than a tiltmeter because it provides information on how far the ground has actually moved — east-west, north-south, and up-down.

From Textbooks • Jan. 1, 2015

One is known as a tiltmeter, which is a sensitive three-directional level that can sense small changes in the tilt of the ground at a specific location.

From Textbooks • Jan. 1, 2015

Next year, scientists will install a tiltmeter and other sensors in an existing borehole near the subduction zone.

From Seattle Times • Aug. 31, 2014

A bottom-pressure tiltmeter will measure gradual changes that could indicate that the volcano is inflating, and a cutting-edge mass spectrometer will sniff the water for hints of magma rising from below.

From Nature • Sep. 25, 2013