English-Thai Dictionary
torus
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Webster's 1828 Dictionary
TORUS
n.A molding. [See Tore. ]
Webster's 1913 Dictionary
TORUS
To "rus, n.; pl. Tori. Etym: [L., a round, swelling, or bulging place, an elevation. Cf. 3d Tore. ]
1. (Arch. )
Defn: A lage molding used in the bases of columns. Its profile is semicircular. See Illust. of Molding. Brande &C.
2. (Zoöl.)
Defn: 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 Tubicolæ.
3. (Bot. )
Defn: The receptacle, or part of the flower on which the carpels stand.
4. (Geom.)
Defn: See 3d Tore, 2.
New American Oxford Dictionary
torus
to rus |ˈtôrəs ˈtɔrəs | ▶noun ( pl. tori |ˈtôrī | or toruses ) 1 Geometry a surface or solid formed by rotating a closed curve, esp. a circle, around a line that lies in the same plane but does not intersect it (e.g., like a ring-shaped doughnut ). • a thing of this shape, esp. a large ring-shaped chamber used in physical research. 2 Architecture a large convex molding, typically semicircular in cross section, esp. as the lowest part of the base of a column. 3 Anatomy a ridge of bone or muscle: the maxillary torus. 4 Botany the receptacle of a flower. ORIGIN mid 16th cent. ( sense 2 ): from Latin, literally ‘swelling, bolster, round molding. ’ The other senses date from the 19th cent.
Oxford Dictionary
torus
torus |ˈtɔːrəs | ▶noun ( pl. tori |-rʌɪ | or toruses ) 1 Geometry a surface or solid formed by rotating a closed curve, especially a circle, about a line which lies in the same plane but does not intersect it (e.g. like a ring doughnut ). • a ring-shaped object, especially a large ring-shaped chamber used in physical research. 2 Architecture a large convex moulding, typically semicircular in cross section, especially as the lowest part of the base of a column. 3 Anatomy a ridge of bone or muscle: the maxillary torus. 4 Botany the receptacle of a flower. ORIGIN mid 16th cent. (in sense 2 ): from Latin, literally ‘swelling, bolster, round moulding ’. The other senses date from the 19th cent.
Duden Dictionary
Torus
To rus Substantiv, maskulin , der |T o rus |der Torus; Genitiv: des Torus, Tori lateinisch 1 Medizin Wulst 2 Mathematik Ringfläche, die durch Drehung eines Kreises um eine in der Kreisebene liegende, den Kreis aber nicht treffende Gerade entsteht 3 Kunstwissenschaft wulstartiger Teil an der Basis antiker Säulen
The Wordsmith Dictionary