astatic

[ ey-stat-ik ]

Phonetic (Standard)IPA

adjective

astatic

/ eɪ-; æˈstætɪk /

not static; unstable
physics
1. having no tendency to assume any particular position or orientation
2. (of a galvanometer) having two mutually compensating magnets arranged so that the instrument is independent of the earth's magnetic field

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Origin of astatic¹

1820–30; < Greek ástat ( os ) not steadfast, unstable ( a- a- ⁶ + statós standing) + -ic; static

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Origin of astatic¹

C19: from Greek astatos unsteady; see a- ¹, static

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An astatic magnetic system placed beside the disc underwent deviations.

The presence of the current is easily shown with the astatic detectors.

Hang the astatic needle so that the wire between the two parts will not quite touch the coil.

The most convenient way will be to use two coils, one on each side of the astatic needle.

By this the astatic needle is suspended and protected from air currents.

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