astatic
 (a.)不安定的,無定向的


 astat·ic /əˈstætɪk/ 形容詞
 不穩定的,非靜止的,無定向的,無靜差的


 A·stat·ic a.  Magnetism 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.
 Astatic pair Magnetism, a pair of magnetic needles so mounted as to be nearly or quite astatic, as in some galvanometers.

 ◄ ►


 astatic
      adj : not static or stable