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Glossary of shapes with metaphorical names

From Wikipedia, the free encyclopedia

Gaussian curve with a two-dimensional domain

Manyshapes have metaphorical names, i.e., their names aremetaphors: theseshapes are named after a most common object that has it. For example, "U-shape" is a shape that resembles the letterU, abell-shaped curve has the shape of the vertical cross section of abell, etc. These terms may variously refer to objects, theircross sections orprojections.

Types of shapes

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Curves
  • Fish bladder
    TheFish bladder is the intersection of two congruent disks, each centered on the perimeter of the other
  • Bicorn
  • Astroid
  • Tomahawk curve
    Tomahawk curve, with its handle and spike thickened

Some of these names are "classical terms", i.e., words ofLatin orAncient Greeketymology. Others areEnglish language constructs (although the base words may have non-English etymology). In some disciplines, where shapes of subjects in question are a very important consideration, the shape naming may be quite elaborate, see, e.g.,the taxonomy of shapes ofplantleaves inbotany.

Numbers and letters

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  • A-shape, the shape that resembles the capital letterA
  • B-shape, the shape that resembles the capital letterB
  • C-shape, the shape that resembles the capital letterC
  • D-shape, the shape that resembles the capital letterD
  • Deltoid, the shape that resembles the Greek capital letterΔ
  • E-shape, the shape that resembles the capital letterE
  • F-shape, the shape that resembles the capital letterF
  • Figure 0, the shape that resembles the numeral0
  • Figure 1, the shape that resembles the numeral1
  • Figure 2, the shape that resembles the numeral2
  • Figure 3, the shape that resembles the numeral3
  • Figure 4, the shape that resembles the numeral4
  • Figure 5, the shape that resembles the numeral5
  • Figure 6, the shape that resembles the numeral6
  • Figure 7, the shape that resembles the numeral7
  • Figure 8, the shape that resembles the numeral8
  • Figure 9, the shape that resembles the numeral9
  • G-shape, the shape that resembles the capital letterG
  • H-shape, the shape that resembles the capital letterH
  • I-shape, the shape that resembles the capital letter in aserif font, i.e., with horizontal strokes
  • J-shape, the shape that resembles the capital letterJ
  • K-shape, the shape that resembles the capital letterK
  • L-shape, the shape that resembles the capital letterL
  • Lemniscate, the shape that resembles theinfinity symbol
  • M-shape, the shape that resembles the capital letterM (interchangeable with theW-shape)
  • N-shape, the shape that resembles the capital letterN (interchangeable with theZ-shape)
  • O-shape, the shape that resembles the capital letterO
  • P-shape, the shape that resembles the capital letterP
    • P-trap, a P-shaped pipe under a sink or basin
  • Pi-shape, the shape that resembles the Greek capital letterΠ
  • Q-shape, the shape that resembles the capital letterQ
  • R-shape, the shape that resembles the capital letterR
  • S-shape, the shape that resembles the capital letterS

See also

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References

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  1. ^"Bullet Nose".MathWorld. Wolfram. 2013-05-08. Retrieved2013-05-20.
  2. ^"Butterfly Curve".MathWorld. Wolfram. 2013-05-08. Retrieved2013-05-20.
  3. ^"Bicorn".MathWorld. Wolfram. 2013-05-08. Retrieved2013-05-20.
  4. ^"Cassini Ovals".MathWorld. Wolfram. 2013-05-08. Retrieved2013-05-20.
  5. ^"lecotropal".Oxford English Dictionary (Online ed.).Oxford University Press.(Subscription orparticipating institution membership required.)
  6. ^Allaby, Michael (2015-09-05).The Dictionary of Science for Gardeners. Portland, OR: Timber Press.ISBN 978-1-60469-715-5. Retrieved2023-03-02.
  7. ^Partridge, Eric (2006-05-23).Origins: A Short Etymological Dictionary of Modern English. Milton Park, UK: Taylor & Francis.ISBN 978-1-134-94217-6. Retrieved2023-03-02.
  8. ^"Maltese Cross Curve".MathWorld. Wolfram. 2013-05-08. Retrieved2013-05-20.
  9. ^"Area of a mushroom-shaped curve".Mathematics. Stack Exchange. 2018-07-17. Retrieved2019-12-20.
  10. ^"Scarabaeus".MathWorld. Wolfram. 2013-05-08. Archived fromthe original on 2012-11-13. Retrieved2013-05-20.
  11. ^"Stadium – from Wolfram MathWorld". Mathworld.wolfram.com. 2013-05-08. Retrieved2013-05-20.
  12. ^"Stirrup Curve".MathWorld. Wolfram. 2013-05-08. Retrieved2013-05-20.
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