sigmoidal, equilateral triangle, ovoid, rhombic, arcuate, ellipsoidal, isosceles triangle, pentagonal, collinear, elliptic, ogee, icosahedral, fingerlike, convex lens, spheroidal, hyperbolic geometry, winglike, octahedral, equilateral, lobate, lapilli, beveled, sepal, superposed, crosshatch, lathed, lamellar, opaline, hadron, polyhedral, quasicrystal, corbel, isosceles, unbranched, curvilinear, prolate, antiparallel, filamentary, rhomboid, knurled, tessellated, tubelike, ovate, circularly, armillary sphere, azimuthal, spherical, cylindrical, chamfered, curved, synclinal, hysteresis loop, toroidal, alveolar ridge, fresnel lens, ovular, hemispherical, dihedral, reeded, conical, caudal fin, eclogite, convex, flowerlike, anal fin, quatrefoil, dimensionless, unpolarized, cuboid, featherlike, globular, triadic, amphibolite, dipole moment, lacelike, geometrical, achromatic, leaflike, aluminous, foliate, countersink, tetragonal, arcsecond, radiolucent, circumstellar, iris diaphragm, rectilinear, mesial, dichroic, phlogopite, helically, intramolecular, malar, parabolic reflector, valence electron, frangible, ribbonlike, upswept, latitudinal, cartesian coordinates, fernlike, geometric, scalar, eigenvalue, hyperbola, polygon, tetrahedron, ellipsoid, attractor, ellipse, parabola, polynomial, subspace, z, datum, integer, integral, metric, multiple, vector, \u00ab, datatype, parabolic, hyperbolic, elliptical, concave, cycloidal, geodesic, involute, polygonal, helical, pyramidal, conoidal, cylindric, extremal, twodimensional

circle, oval

abies amabilis, abies lasiocarpa, alpine fir, amabilis fir, american larch, ancient pine, black larch, christmas tree, colorado blue spruce, colorado spruce, conic waxycap, eastern red cedar, eccentricity, engelmann's spruce, engelmann spruce, european larch, falcatifolium taxoides, focus, fritillaria liliaceae, gastrocybe lateritia, hygrocybe acutoconica, juniperus virginiana, larix decidua, larix laricina, larix russica, larix siberica, morchella crassipes, pacific silver fir, picea engelmannii, picea pungens, pinus longaeva, polyconic projection, red cedar, red juniper, red silver fir, siberian larch, silver spruce, subalpine fir, tamarack, thick-footed morel, white fir, white fritillary, yellow-leaf sickle pine

plane figure, two-dimensional figure

cone-shaped, conelike, conic section