toroid
Concise Oxford English Dictionary © 2008 Oxford University Press:
toroid /ˈtɒrɔɪd, ˈtɔː-/
▶noun Geometry a figure having the shape of a torus.
– derivatives
toroidal adjective,
toroidally adverb.
toroidal adjective,
toroidally adverb.
'toroid' also found in these Oxford entries:

