Diameter

(noun.) the length of a straight line passing through the center of a circle and connecting two points on the circumference.

(noun.) a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface).

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• The large and powerful engines on the Great Western Railway have, however, only two driving wheels, which are 8 feet in diameter. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• In this a vacuum is maintained by a condenser, the vapors passing from the pan to the condenser through the great curved pipe rising from the top, which pipe is five feet in diameter. Edward W. Byrn. 十九世纪发明进展.
• The tube is 52 feet long, 4 feet diameter in the middle, tapering to a little over 3 feet at the ends. Edward W. Byrn. 十九世纪发明进展.
• The entire community surrounded us, leaving a clear space about one hundred feet in diameter for our battle. 埃德加·赖斯·巴勒斯. 火星公主.
• In the ventilator should be four or six tin tubes 1/2 inch in diameter and 6 inches long. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• The wire in each disc is 1,140 feet long; and the total length of wire in the regenerator is 41? miles, or equal to the surface of four steam boilers, each 40 feet long and 4 feet diameter. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• The magnets used in this river work were three and one-half feet in diameter. 佚名. 神奇的知识之书.
• In drilling 22-calibers, for example, the length of the hole must be from 100 to 125 times the diameter of the drill. 佚名. 神奇的知识之书.
• The _Tsar-Pooschka_, the great bronze gun of Moscow, cast in 1586, was even larger, and had a bore 36 inches in diameter. Edward W. Byrn. 十九世纪发明进展.
• It was only one substantial dish of meat (fit for the plain condition of a husbandman,) in a dish of about four-and-twenty feet diameter. 乔纳森·斯威夫特. 格列佛游记.
• It consisted of five magnetic needles, ranged side by side on a horizontal line that formed the diameter of a rhomb. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• The statement that a gun has a length of 45 calibers, for example, implies that the gun is forty-five times the bore’s diameter. 佚名. 神奇的知识之书.
• It is a mass of flaming matter, having a diameter of 866,000 miles. 赫伯特·乔治·威尔斯. 世界史纲.
• Each tube is 1/4 inch in diameter by 4 1/8 inches long, add has eight of the reinforcing rings. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• And yet when I was in Sunday School I thought they were sixty thousand miles in diameter. 马克·吐温. 傻子出国记.
• These wells are now made with larger diameters than formerly, and altogether their construction has been rendered much more easy in modern times. 佚名. 神奇的知识之书.
• This circle is of various diameters, sometimes very large. 本杰明·富兰克林. 富兰克林自传.
• A few typical examples of the latter are given in Figs. 176 and 177, multiplied 1,000 diameters. Edward W. Byrn. 十九世纪发明进展.
• Whitney’s cotton-gin was made of two cylinders of different diameters, mounted in a strong wooden frame. 鲁伯特·萨金特·荷兰. 历史性发明.
• The stroke is 42 inches, and the diameters of the cylinders are 34?, 48, and 75 inches, respectively. Edward W. Byrn. 十九世纪发明进展.

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