plane curve
curve in a plane that may be either a Euclidean plane, an affine plane or a projective plane
unit circle
circle with radius one
rose
sinusoid plotted in polar coordinates
Fermat curve
mathematical concept
loading gauge
Maximum height and width for railway vehicles and their loads
generalized Archimedean spiral
spiral of the form r = a + bθᶜ in polar coordinates (r,θ)
hedgehog
plane curve given by the envelope of a family of lines determined by a support function
curve of constant width
convex planar shape whose width is the same regardless of the orientation of the curve
quartic plane curve
algebraic curve defined in projective plane by a quartic homogeneous polynomial
sinusoidal spiral
family of curves of the form r^n = a^n cos(nθ)
lemniscate
figure-eight-shaped curve
parabola
plane curve: symmetrical conic section
catenary
Curve that an idealized hanging chain or cable assumes
Euler spiral
plane curve given by Fresnel integrals such that the curvature increases linearly with curve length
strophoid
geometric curve
negative pedal curve
plane curve that can be constructed from another plane curve and a fixed point on that curve
lituus
spiral
conic section
curve obtained by intersecting a cone and a plane