abyssacute angleangleangle of attackangle of extinctionangle of incidenceangle of reflectionangle of refractionangular distanceapertureaxilazimuthblobbolt-holebreachbullet holecaverncavitycellchapchasmchinkcompartmentcomplementary anglescorner pocketcrackcrannycrenelcrevassecritical anglecrotchcubbyholecutting angledeclinationdiastemadipdoglegenclosureexpanseexterior angleface anglefatigue crackfaultforamenforamen magnumgerm poregulfhelix anglehipholehollowhour anglehydathodeinclinationinclined faultinterior angleinterventricular foramenknotholelatitudeleadleaklenticellongitudemagnetic declinationmatrixmicropylemouthnormal faultoblique angleobtuse angleopeningozone holeperforationperigonplane anglepleural spacepocketpolyhedral angleporepost-office boxpouchpupilranvier's nodesratholereentrant anglereflex angleriftright angleright ascensionripsalient angleshapelessnesssheetside pocketslackslitsolid anglespacespherical anglesplitstomastretchstrike-slip faultsubarachnoid spaceswaththrust faulttilt angletrue anomalyventvertical angleview anglevoidwave anglewindow