magnetometer
mag nuh to muh ter
- n a meter to compare strengths of magnetic fields
- The magnetometer, an offspring of instruments carried on space probes to measure magnetic fields, is carried like a divining rod over a suspected archaeological site.
- Exclusive rights to the magnetometer's civilian use give Goddio his edge over the competition.
- Called a proton magnetometer, the gadget is based on a principle of nuclear physics discovered only a few years ago.