| Subject | English | German |
| busin. | a wide circle of | ein weiter Kreis von |
| gen. | circle of acquaintances | Bekanntenkreis |
| astr. | circle of altitude | Höhenkreis |
| tech. | circle of altitude | Hoehenzirkel |
| gymn. | circle of body backward | Felgüberschwung rücklings (to hang or support or dismount) |
| tech. | circle of confusion | Fehlerscheibchen |
| opt. | circle of confusion | Bildscheibchen (expressed as the diameter of the image formed by a lens of a point of light; the diameter of this tiny disk of light is an indication of the degree of correction of a lens) |
| opt. | circle of confusion | Zerstreuungsscheibe (s. a. Zerstreuungskreis) |
| opt. | circle of confusion | Zerstreuungskreis (expressed as the diameter of the image formed by a lens of a point of light; the diameter of this tiny disk of light is an indication of the degree of correction of a lens) |
| phys. | circle of least confusion | Streuungskreis |
| phys. | circle of least confusion | Streukreis |
| phys. | circle of least confusion | Streuscheibchen |
| phys. | circle of least confusion | Kreis der kleinsten Verzerrung |
| opt. | circle of confusion | Unschärfenkreis (expressed as the diameter of the image formed by a lens of a point of light; the diameter of this tiny disk of light is an indication of the degree of correction of a lens) |
| opt. | circle of confusion | Streuscheibchen (expressed as the diameter of the image formed by a lens of a point of light; the diameter of this tiny disk of light is an indication of the degree of correction of a lens) |
| opt. | circle of confusion | Streukreis |
| opt. | circle of confusion | Fehlerscheibchen (expressed as the diameter of the image formed by a lens of a point of light; the diameter of this tiny disk of light is an indication of the degree of correction of a lens) |
| opt. | circle of confusion | Diffusionskreis (expressed as the diameter of the image formed by a lens of a point of light; the diameter of this tiny disk of light is an indication of the degree of correction of a lens) |
| gen. | circle of confusion CoC | Zerstreuungskreis |
| phys. | circle of convergence | Konvergenzkreis |
| phys. | circle of curvature | Schmiegungskreis |
| phys. | circle of curvature | Krümmungskreis |
| tech. | circle of diffusion | Zerstreuungskreis |
| tech. | circle of diffusion | Unschaerfering |
| tech. | circle of diffusion | Diffusionskreis |
| meas.inst. | circle of equal altitude | Positionskreis |
| tech. | circle of equal probability | Gleichwahrscheinlichkeitskreis (statistisch) |
| tech. | circle of equal probability | CEP-Wert |
| gen. | circle of experts | Fachkreis |
| construct. | circle of failure | Scherkreis |
| construct. | circle of failure | Bruchkreis |
| gen. | circle of friends | Freundeskreis |
| gen. | circle of friends and acquaintances | Freundes- und Bekanntenkreis |
| life.sc. | circle of geodetic equidistance | geodätischer Kreis |
| gen. | circle of interested people | Kreis Interessierter |
| tech. | circle of latitude | Ost-West-Linie |
| tech. | circle of least aberration | Kreis der geringsten Aberration |
| opt. | circle of least confusion | Diffusionskreis (when a pencil of light from a point source does not, after passing through a lens, converge to an absolute point before diverging again, the diameter of the pencil at its narrowest is termed circle of least confusion) |
| opt. | circle of least confusion | Streukreis (s. a. Streuscheibchen) |
| opt. | circle of least confusion | Unschärfenkreis (when a pencil of light from a point source does not, after passing through a lens, converge to an absolute point before diverging again, the diameter of the pencil at its narrowest is termed circle of least confusion) |
| opt. | circle of least confusion | Zerstreuungsscheibe |
| opt. | circle of least confusion | Zerstreuungskreis (when a pencil of light from a point source does not, after passing through a lens, converge to an absolute point before diverging again, the diameter of the pencil at its narrowest is termed circle of least confusion) |
| opt. | circle of least confusion | Streuscheibchen (when a pencil of light from a point source does not, after passing through a lens, converge to an absolute point before diverging again, the diameter of the pencil at its narrowest is termed circle of least confusion) |
| opt. | circle of least confusion | Fehlerscheibchen (when a pencil of light from a point source does not, after passing through a lens, converge to an absolute point before diverging again, the diameter of the pencil at its narrowest is termed circle of least confusion) |
| opt. | circle of least confusion | Bildscheibchen (when a pencil of light from a point source does not, after passing through a lens, converge to an absolute point before diverging again, the diameter of the pencil at its narrowest is termed circle of least confusion) |
| tech. | circle of light | Lichtkreis |
| tech. | circle of longitude | Laengenkreis |
| meas.inst. | circle of position | Höhengleiche |
| meas.inst. | circle of position | Positionskreis |
| tech. | circle of position | Hoehengleiche |
| tech. | circle of position | Kreisstandlinie |
| tech. | circle of probable error | Gleichwahrscheinlichkeitskreis (statischstatistisch) |
| tech. | circle of probable error | Streukreisradius |
| law, ADR | circle of readers | Leserkreis |
| weap. | circle of rupture | Spreng-Wirkungskreis |
| weap. | circle of rupture | Wirkungskreis |
| construct. | circle of sliding | Scherkreis |
| construct. | circle of sliding | Bruchkreis |
| geomech. | circle of stress limit | Grenzspannungskreis |
| phys. | circle of the horizon | Gesichtskreis |
| paraglid. | circle of the horizon | Sehkreis |
| tech. | circle of the horizon | Horizont |
| tech. | circle of unit radius | Einheitskreis |
| patents. | circle of users | Verkehrskreis |
| construct. | circle of wall plates | Mauerlattenkranz |
| tech. | circles of equal altitude | Kreise gleicher Hoehe |
| gen. | circles of experts | Fachkreise |
| construct. | graduated circle of an alidade | Alhidade |
| med. | greater arterial circle of the iris | Anulus iridis major (circulus arteriosus iridis major) |
| med. | greater arterial circle of the iris | Zona ciliaris iridis (circulus arteriosus iridis major) |
| law, ADR | he has a wide circle of acquaintances | er hat e-n großen Bekanntenkreis |
| mech.eng. | inner circle of the toroid | innerer Kreis des Torus |
| gen. | large/wide circle of friends | großer Freundeskreis |
| med. | lesser arterial circle of the iris | Anulus iridis minor (circulus arteriosus iridis minor) |
| med. | lesser arterial circle of the iris | Zona pupillaris iridis (circulus arteriosus iridis minor) |
| med. | lesser circle of iris | innerer Irisring (anulus iridis minor) |
| mech.eng. | middle circle of the toroid | mittlerer Kreis des Torus |
| opt. | minimum circle of confusion | Unschärfenkreis |
| opt. | minimum circle of confusion | Zerstreuungskreis |
| opt. | minimum circle of confusion | Streukreis |
| mining. | Mohr’s circle of strain | Mohrscher Dehnungskreis |
| mining. | Mohr’s circle of stress | Mohrscher Spannungskreis |
| tech. | target consisting of circle of silhouettes | Uhrenscheibe |
| med. | vascular circle of the optic nerve | Skleralsichel |
| med. | vascular circle of the optic nerve | Skleralring |