Microseismograph

Mi`cro`seis´mo`graph


n.1.A microseismometer; specif., a microseismometer producing a graphic record.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Iida (1939): " Observations of earthquakes registered with the microseismograph constructed recently".