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There are 10 twelve-letter words beginning with SEISM

SEISMICITIESseismicities n. Plural of seismicity.
SEISMICITY n. the degree of vulnerability to earthquakes.
SEISMOGRAPHSseismographs n. Plural of seismograph.
SEISMOGRAPH n. an instrument for recording earthquakes.
SEISMOGRAPHYseismography n. The measurement and recording of earthquakes and other ground vibrations.
seismography n. The study of these records, seismology.
SEISMOGRAPHY n. measurement by use of the seismograph.
SEISMOLOGIESSEISMOLOGY n. the study of earthquakes.
SEISMOLOGISTseismologist n. A person who is skilled at, professes, or practices seismology.
SEISMOLOGIST n. one who studies earthquakes.
SEISMOMETERSseismometers n. Plural of seismometer.
SEISMOMETER n. an instrument for measuring earthquake intensity.
SEISMOMETRICseismometric adj. Of or pertaining to seismometry.
SEISMOMETRIC adj. relating to measurement by seismometer, also SEISMOMETRICAL.
SEISMONASTICseismonastic adj. Of or relating to seismonasty.
SEISMONASTIC adj. relating to seismonasty, response to mechanical shock.
SEISMOSCOPESseismoscopes n. Plural of seismoscope.
SEISMOSCOPE n. an instrument for detecting earthquakes.
SEISMOSCOPICseismoscopic adj. Relating to the seismoscope.
SEISMOSCOPIC adj. pertaining to a seismoscope, an instrument for detecting earthquakes.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 20 words
  • Scrabble in French: 6 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 26 words


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