Magnetometer

[,mægni'tɒmitә]

解释:

(noun.) a meter to compare strengths of magnetic fields.

手打:瓦内萨--From WordNet

解释:

(n.) An instrument for measuring the intensity of magnetic forces; also, less frequently, an instrument for determining any of the terrestrial magnetic elements, as the dip and declination.

校对:惠特尼