| internal auditory canal | innerer Gehörgang |
| internal auditory meatus | innerer Gehörgang |
| internal base point | innerer Basispunkt |
| internal base resistance | Basisbahnwiderstand |
| internal blocking | interne Blockierung |
| internal cable | Innenraumkabel |
| internal cabling | Internverkabelung |
| internal capsule | Capsula interna |
| internal carotid artery | Arteria carotis interna |
| internal carotid artery stenosis | Arteria-carotis-interna-Stenose |
| internal cerebral veins | innere Hirnvenen |
| internal character code | interner Zeichencode |
| internal chuck | Innenfutter |
| internal circlip pliers | Sicherungszange für Innenringe |
| internal circuit | innerer Stromkreis |
| internal cleaning | Innenreinigung |
| internal clock | interne Uhr |
| internal cohesion | innere Geschlossenheit |
| internal combustion engine | Verbrennungsmotor |
| Internal combustion engines | Verbrennungsmaschinen |
| internal company | betriebsintern |
| internal conflict | Dilemma |
| internal connection | Innenverbindung |
| internal control | Innenprüfung |
| internal control vane | Strahlruder |
| Internal conversion | Innere Konversion |
| internal cost allocation | innerbetriebliche Leistungsverrechnung |
| internal crack | Innenriss |
| internal cylindrical lapping | Innenrundreibschleifen |
| internal data flow | interner Datenfluss |
| internal data processing | interne Datenverarbeitung |
| internal data representation | interne Datendarstellungsweise |
| internal democracy | innerparteiliche Demokratie |
| Internal diameter | Kaliber |
| internal differentiation | innere Differenzierung |
| internal dimensions | Innenmaße |
| internal diseases | innere Krankheiten |
| internal door | Innentür |
| internal doors | Innentüren |
| internal electrolysis | Kurzschluss-Elektrolyse |
