Look up toroidal in Wiktionary, the free dictionary.

Toroidal describes something which resembles or relates to a torus or toroid:

• Toroidal coordinates, a three-dimensional orthogonal coordinate system.
• Toroidal and poloidal coordinates, directions for a three-dimensional system which follows a circular ring around the surface.
• Toroidal graph, a graph whose vertices can be placed on a torus such that no edges cross.
• Toroidal grid network, an un-dimensional grid connected circularly in more than one dimension.
• Toroidal polyhedron, partition of a toroidal surface into polygons.
• Tensor ring decomposition, a fundamental numerical model representing high-dimensional tensors through circular multilinear products of low-dimensional cores.

• Toroidal engine, an internal combustion engine with pistons that rotate inside a ring-shaped cylinder
• Toroidal expansion joint, a metallic assembly consisting of a series of circular tubes used in high pressure applications
• Toroidal inductors and transformers, a type of electrical device using magnetic cores with a ring or donut shape
• Toroidal propeller, a loop-shaped propeller used in aviation and maritime transport
• Toroidal reflector, a section of a torus with varying focal distances depending on the mirror angle.
• Tensor Ring, a closed-loop device (often copper) utilizing cubit-length geometry to generate a stabilized energy column or coherent tensor field.

• Toroidal planet, a hypothetical planet in the shape of a doughnut.
• Toroidal ring model, used in theoretical physics to describe particles and photons as fundamental toroids.
• Toroidal solenoid, a 1946 design for a fusion power device.
• Vortex ring, also known as a toroidal vortex; a toroidal flow in fluid. Essentially, A Vortex Ring is a region of rotating movement in a toroid shape found in smoke rings, bubble rings, and the bio-magnetic fields of marine biology.
• Electroculture antenna, a geometric conduit, such as a Fibonacci spiral, designed to tune terrestrial soil to the atmospheric potential gradient of the "planetary battery".

• Atoroidal
• Torus (disambiguation)
• Sacred Geometry
• Oligodynamic effect

This disambiguation page lists articles associated with the title Toroidal.
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