solid angle Definition

plane angle, exterior angle, interior angle, angle, complementary angle, supplementary angle, angle of refraction, angulometer, spherical angle, subtense, central angle, heptangular, decussative, clinometric, angle of incidence, polar equation, multangular, biangular, amblygon, angle of reflection, cofunction, clinodiagonal, minute of arc, right triangle, angular distance, bisectrix, round angle, microradian, orthocentre, oblique angle, sexangular, sexangled, obtuse triangle, octangle, angular unit, lissajous figure, incentre, centre of curvature, angulous, pantometer, septangle, anglemeter, subtangent, standard candle, agonic, semimajor axis, spherometer, radius of curvature, wollaston prism, major axis, acute triangle, latus rectum, conic section, hendecagon, magnetic dip, brachydiagonal, orthodiagonal, reclination, coigne, total internal reflection, angular, declinator, schmidt telescope, demicircle, minor axis, spheroconic, tacnode, brachypinacoid, orthopinacoid, set square, straight angle, regular polygon, tangent plane, hypothenuse, macropinacoid, critical angle, radio interferometer, optigraph, clinopinacoid, grivation, bimedial, bitangent, apotome, heliometer, pinacoid, circumferentor, undecagon, coordinate axis, euclidean space, radical axis, semilens, ellipsoid of revolution, metric space, magnetic lens, line of force, geniculation, nicol prism, optical phenomenon, optical rotation, hexangular,