Astatic

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Astatic

(Science: physics) Having little or no tendency to take a fixed or definite position or direction: thus, a suspended magnetic needle, when rendered astatic, loses its polarity, or tendency to point in a given direction.

(Science: physics) astatic pair, a pair of magnetic needles so mounted as to be nearly or quite astatic, as in some galvanometers.

Origin: Pref. A- not _ static.