Definition of astatic in English:

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Pronunciation: /āˈstadik/


1Not keeping a steady position or direction, in particular.
Example sentences
  • Under favorable astatic conditions, the fish grow faster than under optimum stationary conditions and consume less oxygen and food.
  • In astatic seizures there is a sudden loss of muscular tone, causing the child to fall down, often hitting his head or face.
1.1 Physics (Of a system or instrument) consisting of or employing a combination of magnets suspended in a uniform magnetic field on a single wire or thread in such a way that no torque is present (e.g., to minimize the effect of the earth’s magnetic field).
Example sentences
  • Sensitivity is enhanced by use of multiple-spring astatic systems, which are more vulnerable than single springs to breakage or simple tangling.


Early 19th century: from Greek astatos 'unstable' + -ic.

For editors and proofreaders

Syllabification: a·stat·ic

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