(a.) 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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). astatic. Retrieved September 22, 2026, from http://smartdefine.org/astatic/definitions/1976577 |
| Chicago | Webster's. 2011. "astatic" http://smartdefine.org/astatic/definitions/1976577 (accessed September 22, 2026). |
| Harvard | Webster's 2011, astatic, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/astatic/definitions/1976577>. |
| MLA | Webster's. "astatic" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/astatic/definitions/1976577> |