SEISMOGRAPH


Meaning of SEISMOGRAPH in English

seis ‧ mo ‧ graph /ˈsaɪzməɡrɑːf $ -ɡræf/ BrE AmE noun [countable]

an instrument that measures and records the movement of the earth during an ↑ earthquake

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.