Similar words: homograph, demography, demographic, seismology, seismoscope, geography, holograph, biography. Meaning: ['saɪzməgræf /-grɑːf] 
n. a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake).
n. a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake). 31. Today, quartz crystal clocks are generally used on the seismograph stations.
More similar words: homograph, demography, demographic, seismology, seismoscope, geography, holograph, biography, autograph, phonograph, pictograph, photograph, topography, mimeograph, photographer, pornographer, lithography, stenographer, pornography, orthography, photography, choreograph, cartography, iconography, biographical, choreography, bibliography, biogeography, geographical, lexicographer.