Glossary of shapes with metaphorical names

Source: Wikipedia, the free encyclopedia.

Gaussian curve with a two-dimensional domain

Many shapes have metaphorical names, i.e., their names are

bell, etc. These terms may variously refer to objects, their cross sections or projections
.

Types of shapes

Some of these names are "classical terms", i.e., words of

leaves in botany
.

  • Astroid
  • Aquiline, shaped like an eagle's beak (as in a Roman nose)
  • Bell-shaped curve
  • Biconic shape, a shape in a way opposite to the hourglass: it is based on two oppositely oriented
    truncated cones
    with their bases joined; the cones are not necessarily the same
    • Bowtie shape, in two dimensions
    • Atmospheric reentry apparatus
    • Centerbody of an inlet cone in ramjets
  • Bow shape
    • Bow curve
  • Bullet Nose[1] an open-ended hourglass
  • Butterfly curve (algebraic)[2]
  • Cocked hat curve, also known as Bicorn[3]
  • pine cone
     »)
  • Doughnut shape
  • Egg-shaped
    , see "Oval", below
  • Geoid (From Greek Ge (γη) for "Earth"), the term specifically introduced to denote the approximation of the shape of the Earth, which is approximately spherical, but not exactly so
  • Heart shape
    , long been used for its varied symbolism
  • Horseshoe-shaped, resembling a horseshoe, cf. horseshoe (disambiguation). In botany, also called lecotropal (see below)
  • Hourglass shape or hourglass figure, the one that resembles an hourglass; nearly symmetric shape wide at its ends and narrow in the middle; some flat shapes may be alternatively compared to the figure eight or hourglass
  • Inverted bell
  • Kite
  • Lecotropal, in botany, shaped like a horseshoe (see horseshoe-shaped, above). From Greek λέκος dish + -τροπος turning[5][6][7]
  • Lens or Vesica shape (the latter taking its name from the shape of the lentil seed); see also mandorla, almond-shaped
  • Lune
    , from the Latin word for the Moon
  • Maltese Cross curve[8]
  • Mandorla, almond-shaped (Italian for "almond"), often used as a frame in mediaeval Christian iconography.
  • Mushroom shape, which became infamous as a result of the mushroom cloud[9]
  • egg shape
  • Pear shaped, in reference to the shape of a pear, i.e., a generally rounded shape, tapered towards the top and more spherical/circular at the bottom
  • Rod, a 3-
    cylinder
  • Scarabaeus curve[10] resembling a scarab
  • Serpentine, shaped like a snake
  • Stadium, two half-circles joined by straight sides[11]
  • Stirrup curve[12]
  • Star
    a figure with multiple sharp points
  • Sunburst
  • Tomahawk
  • Ungula, shaped like a horse's hoof

Numbers and letters

  • A-shape, the shape that resembles the capital letter A
    • A-frame, the shape of a common structure that resembles the capital letter A
    • A-frame house
      , a common style of house construction
    • A-line skirt
      or dress
  • B-shape, the shape that resembles the capital letter B
  • C-shape, the shape that resembles the capital letter C
  • D-shape, the shape that resembles the capital letter D
    • D-ring
  • Deltoid, the shape that resembles the Greek capital letter
    Δ
  • E-shape, the shape that resembles the capital letter E
  • F-shape, the shape that resembles the capital letter F
  • Figure 0, the shape that resembles the numeral
    0
  • Figure 1, the shape that resembles the numeral
    1
  • Figure 2, the shape that resembles the numeral
    2
  • Figure 3, the shape that resembles the numeral
    3
  • Figure 4, the shape that resembles the numeral
    4
  • Figure 5, the shape that resembles the numeral
    5
  • Figure 6, the shape that resembles the numeral
    6
  • Figure 7, the shape that resembles the numeral
    7
  • Figure 8, the shape that resembles the numeral
    8
  • Figure 9, the shape that resembles the numeral
    9
  • G-shape, the shape that resembles the capital letter G
  • H-shape, the shape that resembles the capital letter H
  • I-shape, the shape that resembles the capital letter
    serif font
    , i.e., with horizontal strokes
  • J-shape, the shape that resembles the capital letter J
  • K-shape, the shape that resembles the capital letter K
  • L-shape, the shape that resembles the capital letter L
  • Lemniscate, the shape that resembles the infinity symbol
  • M-shape, the shape that resembles the capital letter M (interchangeable with the W-shape)
  • N-shape, the shape that resembles the capital letter N (interchangeable with the Z-shape)
  • O-shape, the shape that resembles the capital letter O
  • P-shape, the shape that resembles the capital letter P
    • P-trap
      , a P-shaped pipe under a sink or basin
  • Pi-shape, the shape that resembles the Greek capital letter Π
  • Q-shape, the shape that resembles the capital letter Q
  • R-shape, the shape that resembles the capital letter R
  • S-shape, the shape that resembles the capital letter S
    • The sigmoid colon, an S-shaped bend in the human intestine
    • S-twist
      , contrasted with Z-twist for yarn

  • T-shape, the shape that resembles the capital letter T
    • T junction
    • T topology in electronic filter design
    • T-shaped (chemistry)
    • résumés
    • T-shirt
    • T-pose, used in computer animation models
  • U-shape, the shape that resembles the capital letter U
  • Hyoid, the shape that resembles the Greek letter
    υ
  • V-shape, the shape that resembles the letter V, also known as the Chevron (which includes the inverted-V shape)
  • W-shape, the shape that resembles the capital letter W (interchangeable with the M-shape)
    • W-shaped recession
  • X-shape, the shape that resembles the letter X
  • χ
  • Y-shape, the shape that resembles the letter Y
  • Z-shape, the shape that resembles the capital letter Z (interchangeable with the N-shape)
    • Z-twist
      , contrasted with S-twist for yarn

See also

  • List of geometric shapes
  • The Category:Curves lists numerous metaphorical names, such as
    • Bean curves
      , also called Nephroids, from the Greek word for kidney

References

  1. ^ "Bullet Nose". MathWorld. Wolfram. 2013-05-08. Retrieved 2013-05-20.
  2. ^ "Butterfly Curve". MathWorld. Wolfram. 2013-05-08. Retrieved 2013-05-20.
  3. ^ "Bicorn". MathWorld. Wolfram. 2013-05-08. Retrieved 2013-05-20.
  4. ^ "Cassini Ovals". MathWorld. Wolfram. 2013-05-08. Retrieved 2013-05-20.
  5. ^ "lecotropal". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
  6. . Retrieved 2023-03-02.
  7. . Retrieved 2023-03-02.
  8. ^ "Maltese Cross Curve". MathWorld. Wolfram. 2013-05-08. Retrieved 2013-05-20.
  9. ^ "Area of a mushroom-shaped curve". Mathematics. Stack Exchange. 2018-07-17. Retrieved 2019-12-20.
  10. ^ "Scarabaeus". MathWorld. Wolfram. 2013-05-08. Retrieved 2013-05-20.
  11. ^ "Stadium – from Wolfram MathWorld". Mathworld.wolfram.com. 2013-05-08. Retrieved 2013-05-20.
  12. ^ "Stirrup Curve". MathWorld. Wolfram. 2013-05-08. Retrieved 2013-05-20.