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diameter |
Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia, Hutchinson | 0.03 sec. |
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diameter a. a straight line connecting the centre of a geometric figure, esp a circle or sphere, with two points on the perimeter or surface b. the length of such a line diameter [dī′am·əd·ər] (mathematics) A line segment which passes through the center of a circle, and whose end points lie on the circle. The length of such a line. For a conic, any straight line that passes through the midpoints of all the chords of the conic that are parallel to a given chord. For a set, the smallest number that is greater than or equal to the distance between every pair of points of the set.
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| The mass was approximately 5 cm wide, and its anteroposterior diameter was 2. [5] As ventilatory demands increase, these muscles contract to lift the sternum and increase the anteroposterior diameter of the upper rib cage during inspiration. This socket, as suggested by its name, is four-sided with an increased mediolateral diameter and decreased anteroposterior diameter. |
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