helicoid Definition

developable, involute, helispheric, anthelix, paraboloid, annulary, planoconcave, helix, schmidt telescope, semiannular, gyroidal, multispiral, conic section, paucispiral, coelostat, concave, epicyclic gear, concaveness, annular, epicycloidal wheel, chamfer, spiral of archimedes, conic, major axis, polar equation, spherical angle, homodromous, spiral, semimajor axis, orbic, verticil, snaphead, maksutov telescope, interior angle, ellipsoid of revolution, eyepiece, vireton, collimator, latus rectum, cyclide, convexedly, flange, helicograph, superhelix, generatrix, chamfret, plane angle, exterior angle, cap screw, trundlehead, globosity, spline, dish antenna, phillips screw, spheroconic, bisectrix, curvature, contrarotation, minor axis, centre of curvature, spherulite, subtense, catadioptrics, angle, allen screw, contour feather, optical device, ovaliform, angle of incidence, semicylinder, oblique angle, plane figure, semilenticular, aspheric, screw, dihedral, plagihedral, optical rotation, radius of curvature, hemitropous, needle valve, miter joint, perispherical, prismoid, machine screw, collimate, nicol prism, swage, contline, axial, sexangled, prismatoid, semilens, spit curl, central angle, ophthalmometer, gear wheel, peritropal, levorotation, bourrelet,