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Torus vs R - What's the difference?

torus | r |

As a noun torus

is torus (shape).

As a letter r is

the eighteenth letter of the.

As a symbol r is

roentgen (unit ).

torus

English

(wikipedia torus)

Noun

(en-noun)
  • (topology) A topological space which is a product of two circles.
    • A 4-variable Karnaugh map can be thought of, topologically, as being a torus .
  • (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.
  • The product of the specified number of circles.
  • (architecture) A molding which projects at the base of a column and above the plinth.
  • (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.

    • Derived terms

    * toric, toroid, toroidal * solid torus

    See also

    * annulus * hoop

    Anagrams

    * * * * English terms with homophones English nouns with irregular plurals ----

    r

    Translingual

    {{Basic Latin character info, previous=q, next=s, image= (wikipedia r)

    Etymology 1

    Modification of capital letter R by not closing the bottom of the loop but continuing into the leg to save a pen stroke, later shortening the right leg into a simple arc.

    Letter

  • The eighteenth letter of the .
    • See also
    (Latn-script) * (select symbols) * (other scripts) Cyrillic * dog's letter

    Etymology 2

    Symbol

    (Alveolar trill) (head)
  • radius
  • alveolar trill
  • ).
  • #
  • #

    • Synonyms

    *

    See also

    {{Letter , page=R , NATO=Romeo , Morse=·–· , Character=R , Braille=? }} Image:Latin R.png, Capital and lowercase versions of R , in normal and italic type Image:Fraktur letter R.png, Uppercase and lowercase R in Fraktur ----