˜yÐÄvlog

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astatic

[ ey-stat-ik ]

adjective

  1. unstable; unsteady.
  2. Physics. having no tendency to take a definite position or direction.


astatic

/ eɪ-; æˈstætɪk /

adjective

  1. not static; unstable
  2. 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
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • ²¹Ëˆ²õ³Ù²¹³Ù¾±ËŒ³¦¾±²õ³¾, noun
  • ²¹Ëˆ²õ³Ù²¹³Ù¾±³¦²¹±ô±ô²â, adverb
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Other ˜yÐÄvlog Forms

  • ²¹Â·²õ³Ù²¹³Ùi·³¦²¹±ô·±ô²â adverb
  • ²¹Â·²õ³Ù²¹³Ù·¾±Â·³¦¾±²õ³¾ [ey-, stat, -, uh, -siz-, uh, m], noun
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˜yÐÄvlog History and Origins

Origin of astatic1

1820–30; < Greek á²õ³Ù²¹³Ù ( os ) not steadfast, unstable ( a- a- 6 + ²õ³Ù²¹³Ùó²õ standing) + -ic; static
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˜yÐÄvlog History and Origins

Origin of astatic1

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

Examples have not been reviewed.

In course of time both the original form of single needle galvanometer and mirror galvanometer were improved by introducing the astatic principle and weakening the external controlling magnetic field.

From

This coil, etc., may be used in connection with an astatic needle.

From

The iron cylinder is thus converted into a strong magnet, attracting one of the poles, and repelling the other, and consequently deflecting the entire astatic system.

From

Quartz fibres have two great advantages over other forms of suspension when employed for any kind of torsion balance, from an ordinary more or less "astatic" galvanometer to the Cavendish apparatus.

From

Horizontal and vertical astatic system are also used—Figs.

From

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