Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

seismograph

play
noun seis·mo·graph \-ˌgraf\

Simple Definition of seismograph

  • : a device that measures and records the movement of the earth during an earthquake

Full Definition of seismograph

  1. :  an apparatus to measure and record vibrations within the earth and of the ground

seis·mog·ra·pher play \sīz-ˈmä-grə-fər, sīs-\ noun
seis·mo·graph·ic play \ˌsīz-mə-ˈgra-fik, ˌsīs-\ adjective
seis·mog·ra·phy play \sīz-ˈmä-grə-fē, sīs-\ noun

Origin of seismograph

International Scientific Vocabulary


First Known Use: 1858


Learn More about seismograph


Seen and Heard

What made you want to look up seismograph? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 6, 2016

an official order, decree, or edict

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

duvet pince-nez spindrift kittly-benders
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ