1. A measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake)
   - seismograph

Derived forms: seismometers

Type of: measuring device, measuring instrument, measuring system

Encyclopedia: Seismometer

• sweet corn
• sweet corn plant
• sweet cup
• sweet elder
• sweet FA
• sweet false chamomile
• sweet Fanny Adams
• sweet fern
• sweet flag
• sweet four o'clock
• sweet gale
• sweet goldenrod
• sweet granadilla
• sweet grass
• sweet gum
• sweet gum tree
• sweet lemon
• sweet lime
• sweet marjoram
• sweet melon
• sweet melon vine
• sweet nothings
• sweet oil
• sweet orange
• sweet orange tree