spur-wheeln.

Forms: Also spur wheel.

Etymology: spur n.¹

A gear-wheel which has cogs or teeth on the periphery, projecting radially from the centre; a cog-wheel.

ΘΚΠ

society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > cog or gear

cog-wheel1416

main wheel1678

spur-wheel1731

rack wheel1772

spur gear1808

gear1829

gearing1833

spur gearing1844

pitch wheel1854

tooth-wheel1862

gear-wheel1874

maintaining wheel1874

cog1883

1731 Philos. Trans. (Royal Soc.) 37 10 The Spur Wheel.

1764 J. Ferguson Lect. Select Subj. 78 A cog or spur-wheel may be placed upon each side of the water-wheel.

1805 R. W. Dickson Pract. Agric. I. Pl. xiv On the axle of this water-wheel is fixed a large spur-wheel..of 160 cogs.

1861 S. Smiles Lives Engineers III. 97 The power of the two cylinders was combined by means of spurwheels.

1884 W. H. Greenwood Steel & Iron xi. 215 A spur-wheel, gearing into a pinion which is connected with a train of gearing driven by a small steam-engine.

figurative.1870 C. E. L. Riddell Austin Friars iv Love sets in motion the spur-wheel which turns all the other wheels of existence.

This entry has not yet been fully updated (first published 1915; most recently modified version published online December 2020).

单词	spur-wheel
释义	spur-wheeln. Forms: Also spur wheel. Etymology: spur n.¹ A gear-wheel which has cogs or teeth on the periphery, projecting radially from the centre; a cog-wheel. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > cog or gear cog-wheel1416 main wheel1678 spur-wheel1731 rack wheel1772 spur gear1808 gear1829 gearing1833 spur gearing1844 pitch wheel1854 tooth-wheel1862 gear-wheel1874 maintaining wheel1874 cog1883 1731 Philos. Trans. (Royal Soc.) 37 10 The Spur Wheel. 1764 J. Ferguson Lect. Select Subj. 78 A cog or spur-wheel may be placed upon each side of the water-wheel. 1805 R. W. Dickson Pract. Agric. I. Pl. xiv On the axle of this water-wheel is fixed a large spur-wheel..of 160 cogs. 1861 S. Smiles Lives Engineers III. 97 The power of the two cylinders was combined by means of spurwheels. 1884 W. H. Greenwood Steel & Iron xi. 215 A spur-wheel, gearing into a pinion which is connected with a train of gearing driven by a small steam-engine. figurative.1870 C. E. L. Riddell Austin Friars iv Love sets in motion the spur-wheel which turns all the other wheels of existence. This entry has not yet been fully updated (first published 1915; most recently modified version published online December 2020). < n.1731
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