hypoid gear

[ 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.

Origin of hypoid gear

1925–30; hyp(erbol)oid

British Dictionary definitions for hypoid gear

hypoid gear
/ (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

Word Origin for hypoid gear

C20: hypoid, shortened from hypocycloid