hypoid gear

[ hahy-poid ]
/ ˈhaɪ pɔɪd /


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.

Origin of hypoid gear

1925–30; hyp(erbol)oid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for hypoid gear

hypoid gear
/ (ˈhaɪpɔɪd) /


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

Word Origin for hypoid gear

C20: hypoid, shortened from hypocycloid
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