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toroidal

toroidal

2 9.9
Having a doughnut shape like a ring
  • adjective
  • /tɔːˈrɔɪdəl/
  • Specialized
translation icon : toroidal
  • The toroidal shape of the doughnut makes it easy to hold while eating.

If you apply the right frequency, that's like they spontaneously organize into toroidal forms.

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Examples

  • FIGURE 1. A CAR TIRE gains considerable strength from the toroidal laminate formed by the interleaved cords inside the rubber.

    Academic text (1999)
  • And this process is called toroidal compactification.

  • So here we have some toroidal structure, OK?

  • My understanding is that it's with a toroidal assembly called a tokamak.

  • This is a toroidal biological mass that we have been unable to inspect closely enough to know much about.

    Fiction book (1994)
  • With its simple components, JetMix sweeps all areas of a tank by creating a unique toroidal flow pattern.

    Academic text (2002)
  • We shall take the liberty of calling this toroidal structure a plasmoid, a word which means plasma-magnetic entity.

    Blog text (14)
  • What's required, however, for an external dipole field like Earth's is toroidal electric current circulating in the core.

    Academic text (2006)
  • Built to produce a toroidal magnetic field encircling the beam direction, CLAS will detect most of the particles emitted in an event.

    Academic text (1993)
  • Layers of rubber are interleaved with parallel fiber bundles, "cords," to form a toroidal laminate.

    Academic text (1999)

Synonyms

doughnut-shaped
vstoroidal
1 2.8

Shaped like a ring with a hole in the middle

is the scientific term for that ringlike shape

Surface Forms

toroidal positive

Morphology

toroidal = toroid (semi-transparent) = torus + oid + al

The adjective is formed regularly from the technical noun 'toroid', but the underlying geometric term is specialized and not highly familiar to average learners.

Etymology

The word toroidal comes from torus, a Latin word meaning 'cushion' or 'bulge', and the ending -oid means 'like'. So, toroidal means 'like a torus' — think of a 'doughnut' or a lifebuoy to remember the round shape with a hole in the middle.