[mag-ni-tom-i-ter] 
| 1. | an instrument for measuring the intensity of a magnetic field, esp. the earth's magnetic field. |
| 2. | an instrument for detecting the presence of ferrous or magnetic materials, esp. one used to detect concealed weapons at airports. |
| mag·ne·tom·e·ter (māg'nĭ-tŏm'ĭ-tər) n. An instrument for measuring the magnitude and direction of a magnetic field. mag'ne·to·met'ric (-tə-mět'rĭk) adj., mag'ne·tom'e·try n. |
magnetometer
instrument for measuring the strength and sometimes the direction of magnetic fields, including those on or near the Earth and in space. Magnetometers are also used to calibrate electromagnets and permanent magnets and to determine the magnetization of materials
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nɪˈtɒm