| 释义 |
‖ peritrochium Mech.|pɛrɪˈtrəʊkɪəm|
[mod.L., a. Gr. περιτρόχιον a wheel (see prec.); ἄξων ἐν περιτροχίῳ = axis in peritrochio, the wheel-and-axle.]
A wheel, as constituting part of the mechanical power called the wheel-and-axle.
axis in peritrochio: see axis1 1 a.
1704J. Harris Lex. Techn. I. s.v., The use of this Peritrochium, is to make the Cylinder or Axis be turned the more easily by the means of Staves or Levers, which are fix'd in its Circumference. See Axis in Peritrochio. 1796[see axis1 1]. 1798Edgeworth Pract. Educ. (1822) II. 121 This organ is usually called in mechanicks, the axis in peritrochio,..the word windlass or capstan, would convey a more distinct idea to our pupils. 1866in Brande & Cox Dict. Science, etc. |