hypoid gear

American

[hahy-poid] / ˈhaɪ pɔɪd /

noun

a gear resembling a bevel gear in form but designed to mesh with a similar gear in such a way that their axes would not intersect, one axis crossing over the other at approximately a right angle.

hypoid gear British

/ ˈhaɪpɔɪd /

noun

a gear having a tooth form generated by a hypocycloidal curve; used extensively in motor vehicle transmissions to withstand a high surface loading

"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

Etymology

Origin of hypoid gear

1925–30; hyp(erbol)oid

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023