critical angle Definition

angle of incidence, total internal reflection, angle of refraction, control surface, reclination, plane angle, spherical angle, angle of reflection, declinator, circumnutate, brachypinacoid, vertical tail, lissajous figure, circumflexion, tangent plane, angle, geniculation, magnetic dip, exterior angle, tautochrone, blind curve, glissette, horizontal tail, mesiad, centrode, central angle, point of inflection, decussative, jump jet, flip over, macropinacoid, devexity, deplanate, sectant, interior angle, air pocket, declivous, levation, solid angle, rhysimeter, stationary point, clinometric, angulometer, differential gear, danaide, recurvation, wheel and axle, coriolis force, clinopinacoid, angle of attack, orthopinacoid, pantometer, isoclinic, laterad, clinodiagonal, ungula, pilot balloon, lapse rate, catacaustic, convertiplane, major axis, monaxial, planometry, line of force, vireton, airfoil, isocline, stringpiece, courb, change of shape, semiaxis, moment of inertia, flexicostate, critical point, homodromous, subtense, geanticlinal, intorsion, circumvolute, centre of buoyancy, mechanical advantage, gear down, structural member, extrados, change shape, uptilt, mach number, ledgment, gyroidal, minor axis, counterwheel, latus rectum, complementary angle, adunc, scalebeam, declivitous, binode, incurvate, polar equation, isothermobath,