(n.) An instrument for measuring the direction, duration, and force of earthquakes and like concussions.
Example Sentences:
(1) By now my controversy seismometer is going off the Richter scale: Muslims, Jews, Hitler – it's like a mass invitation to every irate commentator in the blogosphere.
Seismometric
Definition:
(a.) Of or pertaining to seismometry, or seismometer; as, seismometric instruments; seismometric measurements.