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Definition of Torus
1. Noun. A ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle.
Specialized synonyms: Core, Magnetic Core
Generic synonyms: Round Shape
Derivative terms: Toroidal
2. Noun. Commonly the lowest molding at the base of a column.
Definition of Torus
1. n. A lage molding used in the bases of columns. Its profile is semicircular. See Illust. of Molding.
Definition of Torus
1. Noun. (topology) A topological space which is a product of two circles. ¹
2. Noun. (mathematics) 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. ¹
3. Noun. (topology in combination
4. Noun. (architecture) A molding which projects at the base of a column and above the plinth. ¹
5. Noun. (botany) 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. ¹
¹ Source: wiktionary.com
Definition of Torus
1. a large convex molding [n -RI]
Medical Definition of Torus
1. Structure found at the centre of a bordered pit, especially in conifers, forming a thickened region of the pit membrane. When subjected to a pressure gradient, it seals the pit by pressing against the pit border. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)
Lexicographical Neighbors of Torus
Literary usage of Torus
Below you will find example usage of this term as found in modern and/or classical literature:
1. Descriptive Geometry by Gardner Chace Anthony, George Francis Ashley (1909)
"To determine the curve of intersection between a torus and a cylinder, the axes
of which are perpendicular to the horizontal coordinate plane. PRINCIPLE. ..."
2. Descriptive Geometry by Gardner Chace Anthony, George Francis Ashley (1909)
"To determine the curve of intersection between a torus and a cylinder, the axes
of which are perpendicular to the horizontal coordinate plane. PRINCIPLE. ..."
3. Descriptive Geometry by Ervin Kenison, Harry Cyrus Bradley (1917)
"The Intersection of a Cylinder and a torus. Another example is shown in Fig. 195.
An auxiliary plane, as Q, parallel to H, cuts the cylinder in the elements ..."
4. Architectural Shades and Shadows by Henry McGoodwin (1904)
"2 — The quarter-round moulding D2 E2 below it may be regarded as part of a torus
whose shade line F2 G2 is found as shown in Article XXIII. ..."
5. Debris Impact On Emergency Coolant Recirculation: Workshop Proceedings by U.S. Nuclear Regulatory Commission, OECD Nuclear Energy Agency (2004)
"Model description Basic modelling assumptions Based on a review of the containment
design features and the allocation of the torus strainers in relation to ..."
6. General Problems of Shades and Shadows: Formed Both by Parallel and by by Samuel Edward Warren (1867)
"**i To construct the curve of shade upon a torus. Principles. ... If the axis of
the torus be supposed to be vertical, the points of shade on its greatest ..."
7. Anatomy, Descriptive and Applied by Henry Gray (1913)
"On its lateral wall is the pharyngeal ostium of the auditory tube, somewhat
triangular in shape, and bounded behind by a firm prominence, the torus or ..."
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