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1. Unsteady; unstable.
2. Physics Having no particular directional characteristics.

a·stat′i·cal·ly adv.
a·stat′i·cism n.


(æˈstætɪk; eɪ-)
1. not static; unstable
2. (General Physics) physics
a. having no tendency to assume any particular position or orientation
b. (of a galvanometer) having two mutually compensating magnets arranged so that the instrument is independent of the earth's magnetic field
[C19: from Greek astatos unsteady; see a-1, static]
aˈstatically adv
aˈstatiˌcism n
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.astatic - not static or stable
changeful, changeable - such that alteration is possible; having a marked tendency to change; "changeable behavior"; "changeable moods"; "changeable prices"