worm gear

or wormgear

noun

a mechanism consisting of a worm engaging with and driving a worm wheel, the two axes usually being at right angles, used where a relatively low speed and a relatively large amplification of power are desired.

Also called worm wheel. a gear wheel driven by a worm.

Origin of worm gear

First recorded in 1875–80

Words nearby worm gear

worm-eaten, wormery, worm fence, wormfish, wormfly, worm gear, worm grass, wormhole, wormian, wormian bone, worm into

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for worm gear

The frame e carries the worm-wheel a and the worm-gear b, which is operated by the crank f.
Modern Machine-Shop Practice, Volumes I and II|Joshua Rose
In this case the worm-gear pinion is on the side of the machine not seen in the engraving.
Modern Machine-Shop Practice, Volumes I and II|Joshua Rose
The worm-gear is forced tightly on the taper spindle with a nut, and keyed to prevent turning.
Modern Machine-Shop Practice, Volumes I and II|Joshua Rose
In removing it from the box, pick it up by placing the hands underneath the worm-gear.
The Gunner's Examiner|Harold E. Cloke

British Dictionary definitions for worm gear

worm gear

noun

a device consisting of a threaded shaft (worm) that mates with a gearwheel (worm wheel) so that rotary motion can be transferred between two shafts at right angles to each other

Also called: worm wheel a gearwheel driven by a threaded shaft or worm

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

单词	worm gear
释义	worm gear or wormgear noun a mechanism consisting of a worm engaging with and driving a worm wheel, the two axes usually being at right angles, used where a relatively low speed and a relatively large amplification of power are desired. Also called worm wheel. a gear wheel driven by a worm. Origin of worm gear First recorded in 1875–80 Words nearby worm gear worm-eaten, wormery, worm fence, wormfish, wormfly, worm gear, worm grass, wormhole, wormian, wormian bone, worm into Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for worm gear The frame e carries the worm-wheel a and the worm-gear b, which is operated by the crank f. Modern Machine-Shop Practice, Volumes I and II\|Joshua Rose In this case the worm-gear pinion is on the side of the machine not seen in the engraving. Modern Machine-Shop Practice, Volumes I and II\|Joshua Rose The worm-gear is forced tightly on the taper spindle with a nut, and keyed to prevent turning. Modern Machine-Shop Practice, Volumes I and II\|Joshua Rose In removing it from the box, pick it up by placing the hands underneath the worm-gear. The Gunner's Examiner\|Harold E. Cloke British Dictionary definitions for worm gear worm gear noun a device consisting of a threaded shaft (worm) that mates with a gearwheel (worm wheel) so that rotary motion can be transferred between two shafts at right angles to each other Also called: worm wheel a gearwheel driven by a threaded shaft or worm Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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