Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Seismograph" Definition
noun
An instrument for automatically detecting and recording the intensity, direction, and duration of a movement of the ground, especially of an earthquake.
Source: American Heritage Dictionary
An apparatus to measure and record vibrations within the earth and of the ground.
Source: Merriam-Webster
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