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Hasil cari dari kata atau frase: Earthquake alarm(0.00974 detik)
Found 1 items, similar to Earthquake alarm.
English → English (gcide)
Definition: Earthquake alarm
Earthquake \Earth"quake`\, n.
A shaking, trembling, or concussion of the earth, due to
subterranean causes, often accompanied by a rumbling noise.
The wave of shock sometimes traverses half a hemisphere,
destroying cities and many thousand lives; -- called also
earthdin, earthquave, and earthshock.
Earthquake alarm, a bell signal constructed to operate on
the theory that a few seconds before the occurrence of an
earthquake the magnet temporarily loses its power.