In the toroid the valves are tucked safely away in the middle of the doughnut.
From the newscientist.com
Despite being formed in open air, the molded toroid is free of flow defects and oxidation.
From the sciencedaily.com
The barrel toroid magnet is a major component of CERN's Atlas detector.
From the newscientist.com
One of Hawking's lines in the episode references the theory that the universe is shaped like a toroid.
From the en.wikipedia.org
The torus is the surface of the toroid.
From the newscientist.com
The ring torus bounds a solid known as a toroid.
From the en.wikipedia.org
Shown here is a torus, a type of toroid.
From the en.wikipedia.org
I know what a toroid is.
From the scienceblogs.com
Hand wind or setup, adjust and operate special purpose wire winding machines to make single or multiple layer, or toroid type coils, using a variety of wire gauges.
From the jobview.monster.com
More examples
The doughnut-shaped object enclosed by a torus
Torus: a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle
(toroidal) of or relating to or shaped like a toroid; doughnut shaped
In mathematics, a toroid is a doughnut-shaped object, such as an O-ring. Its annular shape is generated by revolving a geometrical figure around an axis external to that figure. ...
(Toroids) The fossil Vendoglossa tuberculata from the Nama Group, Namibia, has been interpreted as a dorso-ventrally compressed stem-group metazoan, with a large gut cavity and a transversely ridged ectoderm. ...
Donut shaped conductor often employed as a discharge terminal on top of a Tesla coil.
The form taken when a spiralling line rotates in a closed curve lying in its plane. Colloquially known as a 'donut' in the U.S.