Related by context. Frequent words. (Click for all words.) 58 elliptical 58 ellipse 57 lobed 56 toroidal 56 interferometers 56 ovoid 55 isotropic 55 angular 55 anisotropic 54 morphologies 54 caudal 53 oscillatory 53 spherical 53 wavelike 53 convex 53 tetrahedral 53 radii 53 pentagonal 53 curvatures 53 dispersive 52 helical 52 elongated 52 Fig. 1A 52 geometrical shapes 52 conical 52 optical lattice 52 whorls 52 prismatic 52 cylindrical 51 anticlockwise 51 whorl 51 hemispherical 51 diffractive 51 radially 51 curvilinear 51 interferometry 51 oblique angle 51 dipole 51 photometry 51 wavefront 50 coronal 50 photonic crystal 50 columnar 50 Cepheids 50 collimator 50 annular 50 Gaussian 50 geometrical 50 sepals 50 ellipses 49 orbitals 49 crystallographic 49 apical 49 symmetrical 49 concave 49 parabola 49 comet tail 49 interferometer 49 quadratic 49 anisotropy 49 dipoles 49 magnetic flux 49 photodetector 49 laminar 49 interferometric 49 apertures 49 nanomechanical 49 magnetization 49 splines 49 hexagonal 49 fluting 49 symmetric 49 pyramidal 48 magnifications 48 spatial dimensions 48 irregular shapes 48 biomorphic 48 perpendicularly 48 hexagon 48 planar 48 rectilinear 48 stamens 48 inchworm 48 crystal lattice 48 perfectly symmetrical 48 evenly spaced 48 electron spins 48 ionized gas 48 cuboid 48 sinusoidal 48 maxillary 48 SiO 2 48 torus 48 concentric 48 plasmons 48 circular orbits 48 abstract shapes 48 pulsed laser 48 orthogonal 48 gently curved 48 fig.