# Definitions for **magnetometry**

### This page provides all possible meanings and translations of the word **magnetometry**

### Random House Webster's College Dictionary

mag•ne•tom•e•terˌmæg nɪˈtɒm ɪ tər(n.)

an instrument for measuring the intensity of a magnetic field.

**Category:**Electricity and Magnetisman instrument for detecting the presence of ferrous or magnetic materials, as in concealed weapons.

**Category:**Electricity and Magnetism

#### Origin of **magnetometer**:

1820–30; < F magnétomètre; see magneto -, -meter

mag`ne•tom′e•try(n.)

### Wiktionary

magnetometry(Noun)

The measurement of magnetic fields (strength and direction etc)

### The Standard Electrical Dictionary

Magnetometry

The determination of the magnetic moment of a magnet. It involves the determination by experiment of--( a) the product of the magnetic moment, M, of the magnet by the horizontal component, H, of the earth's magnetism; (b) the quotient of M divided by H. Knowing these two quantities, M is given by the formula M = SquareRoot( )M * H) * (M/H) ) and if desired H is given by the formula H = SquareRoot( (M*H) / (M/H)). M*H is determined by the method of vibrations. A very long, thin magnet suspended by a torsion filament is caused to oscillate, and its period is determined. Calling such period T and the moment of inertia of the magnet I, we have the formula T= 2* PI * SquareRoot( I / (H*M) ) (a), whence H*M is calculated, I of course being known or separately determined.

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"magnetometry." *Definitions.net.* STANDS4 LLC, 2014. Web. 19 Dec. 2014. <http://www.definitions.net/definition/magnetometry>.