torus

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torus

 [tor´us] (L.)
a swelling or bulging projection.
torus mandibula´ris a prominence sometimes seen on the lingual aspect of the mandible at the base of its alveolar part.
torus palati´nus a bony protuberance sometimes found on the hard palate at the junction of the intermaxillary suture and the transverse palatine suture.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

to·rus

, pl.

to·ri

(tō'rŭs, tō'rī), [TA]
1. A rounded swelling, such as that caused by a contracting muscle. Synonym(s): elevation (1) [TA]
2. A geometric figure formed by the revolution of a circle around the base of any of its arcs, such as the convex molding at the base of a pillar.
[L. swelling, knot, bulge]
Farlex Partner Medical Dictionary © Farlex 2012

torus

(tôr′əs)
n. pl. tori (tôr′ī)
1. Architecture A large convex molding, semicircular in cross section, located at the base of a classical column.
2. Anatomy A bulging or rounded projection or swelling.
3. Botany
a. The receptacle of a flower.
b. A thickened area in the middle of the membrane that connects the pits of tracheids in conifers and certain other gymnosperms.
4. Mathematics A toroid generated by a circle; a surface having the shape of a doughnut. Also called tore2.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

to·rus

, pl. tori (tōr'ŭs, -ī)
1. A geometric figure formed by the revolution of a circle around the base of any of its arcs, such as the convex molding at the base of a pillar.
2. A rounded swelling, such as that caused by a contracting muscle.
Synonym(s): elevation.
[L. swelling, knot, bulge]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

torus

the end of the stalk, bearing the flower parts and forming the succulent fruit in POMES, e.g. apples, pears, strawberries and rosehips.
  1. (in ferns) the mass of tissue that becomes the SPORANGIUM.
  2. (in liverworts) the cup containing a GEMMA.
  3. (in algae) the swollen tip of a branch carrying the reproductive organs.

torus

  1. a central thickened area in the BORDERED PITS of GYMNOSPERMS.
  2. see RECEPTACLE.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

to·rus

, pl. tori (tōr'ŭs, -ī)
1. [TA] Rounded swelling, such as that caused by a contracting muscle.
2. Geometric figure formed by revolution of a circle around the base of any of its arcs, such as the convex molding at the base of pillar.
[L. swelling, knot, bulge]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
The helical phase profile, doughnut shape, and the OAM spectrum in Figure 4 show almost the same performance as that in Figures 3(b), 3(e), and 3(h), implying that the steering azimuth angle does not affect the OAM mode quality for radio OAM steering technique.
Specifically, the radiation pattern of OAM mode 1 in Figure 8(a) preservers a typical doughnut shape of twisted beam, while the pattern of OAM mode 2 exhibits a "U" shape in the steering direction in Figure 8(b).
These 27 doughnut shapes join together perfectly, due to the fact that when two circles touch, they only touch at one point.
Stiff plaid bridles against the exotic/erotic tiger stripe, and swatches of doughnut shapes, checkerboards, and floral motifs become just as "tribal" as the more "ethnic" patterns with which they share territory.