(n.) An instrument, used with a telescope or microscope, for measuring minute distances or the apparent diameters of objects which subtend minute angles. The measurement given directly is that of the image of the object formed at the focus of the object glass.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). micrometer. Retrieved September 21, 2026, from http://smartdefine.org/micrometer/definitions/2032567 |
| Chicago | Webster's. 2011. "micrometer" http://smartdefine.org/micrometer/definitions/2032567 (accessed September 21, 2026). |
| Harvard | Webster's 2011, micrometer, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/micrometer/definitions/2032567>. |
| MLA | Webster's. "micrometer" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/micrometer/definitions/2032567> |