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Definitions of diameter

1. the length of a straight line passing through the center of a circle and connecting two points on the circumference Scrapingweb Dictionary DB

2. Any right line passing through the center of a figure or body, as a circle, conic section, sphere, cube, etc., and terminated by the opposite boundaries; a straight line which bisects a system of parallel chords drawn in a curve. Webster Dictionary DB

3. A diametral plane. Webster Dictionary DB

4. The length of a straight line through the center of an object from side to side; width; thickness; as, the diameter of a tree or rock. Webster Dictionary DB

5. The distance through the lower part of the shaft of a column, used as a standard measure for all parts of the order. See Module. Webster Dictionary DB

6. A straight line through the center of a figure, dividing it in half; as, the diameter of the earth is 7,926 miles. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.

7. The measure through or across: a straight line passing through the centre of a circle or other figure, terminated at both ends by the circumference. The american dictionary of the english language. By Daniel Lyons. Published 1899.

8. Straight line passing through the centre of a circle and terminated at both ends by the circumference; distance through the centre. The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894.

9. A line through the center, as of a circle or sphere, terminated at the boundary thereof; the length of such a line. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.

10. A straight line passing through the centre of a circle from circumference to circumference, and dividing it into two equal parts; the length of a right line passing through the centre of an object, from one side to the other. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.

11. The measure of a body through from side to side; a straight line passing through the centre of a circle, having both ends terminated by the circumference. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.

Usage examples for diameter

1. Each of the gyros was four feet in diameter and weighed five hundred pounds. – Space Platform by Murray Leinster

2. The ball is about three inches in diameter bound with thick leather. – A Collection of College Words and Customs by Benjamin Homer Hall