isosceles triangle, sine curve, celestial sphere, equilateral triangle, spheroid, asymptote, ellipse, earthwards, arcs, dihedral, radians, sine wave, dodecahedron, dipolar, headpin, infinity, zodiacal light, diagonals, rhombus, sidespin, orbital velocity, trajectories, ellipsoids, aeon, arcsecond, ecliptic, kurtosis, hypotenuse, cumulus cloud, quasicrystal, orb, oblique angle, toroid, polyhedron, asterism, magnetic dipole, tetrahedron, eggbeater, retroreflector, backbend, curvature, diatonic scale, geometry, corkscrew, sidereal, obliquity, cumulonimbus cloud, concavity, yawing, zigzag, azimuthal, harmonic progression, ballistic trajectory, wavelike, apexes, uncoiling, corrugations, angular velocity, upthrust, gnomon, umbels, plumb bob, counterclockwise rotation, downstroke, nucleons, trend analysis, rectangle, oscillations, prominences, antiproton, trapezium, fibonacci, pendulums, planchet, vortices, frustum, companionway, momenta, arabesque, chromatic scale, annularity, conic, meson, exponential decay, spadix, cartesian coordinates, sundog, horsehead nebula, prograde, conductance, subatomic particle, celestial equator, amplitudes, incline, cosine, semicircles, superstring, electric dipole, retrorockets, seracs, semitones, gaussian distribution, parabolas, curve, diagonal, hyperbola, bend, hexagon, arc, cone, fio, parallelogram, horizontal, semicircle, ab, trajectory, cut, ellipsoid, paraboloid, pitch

parabolic, parabolical

conic section