Definition of torus Torus

to•rus

We found 14 definitions of torus from 6 different sources.

What does torus mean?

Noun Plural: tori
torus - a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle
		toroid
		round shape a shape that is curved and without sharp angles
torus - commonly the lowest molding at the base of a column
		tore

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torus (Noun)
A topological space which is a product of two circles.
torus (Noun)
The standard representation of such a space in 3-dimensional Euclidean space: a shape consisting of a ring with a circular cross-section: the shape of an inner tube or hollow doughnut.
torus (Noun)
The product of the specified number of circles.
torus (Noun)
A molding which projects at the base of a column and above the plinth.
torus (Noun)
The end of the peduncle or flower stalk to which the floral parts or in the Asteraceae, the florets of a flower head are attached; see receptacle.

torus (n.)
A lage molding used in the bases of columns. Its profile is semicircular. See Illust. of Molding.
torus (n.)
One of the ventral parapodia of tubicolous annelids. It usually has the form of an oblong thickening or elevation of the integument with rows of uncini or hooks along the center. See Illust. under Tubicolae.
torus (n.)
The receptacle, or part of the flower on which the carpels stand.
torus (n.)
See 3d Tore, 2.

torus
The section of the plant's stem or stalk to which the flower is attached.

torus
tō′rus, n. (archit.) a moulding in the base of columns, the profile of which is semicircular: (bot.) the receptacle or part of the flower on which the carpels stand: (anat.) a rounded ridge, esp. one on the occipital bone of the skull:—pl. Tō′ri. [L., a round, swelling place, an elevation.]

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torus in sign language