| primary cup seal | Primärmanschette |
| primary current | Hauptstrom |
| primary cutaneous tuberculosis | primäre Hauttuberkulose |
| primary data | Primärdaten |
| primary data acquisition | Primärdatenerfassung |
| primary data entry | Primärdatenerfassung |
| primary dealer | erster Händler |
| primary deposit | Primärlagerstätte |
| primary deposits | Primärlagerstätten |
| primary detector | Meßaufnehmer |
| primary disease | Grundkrankheit |
| primary display | Primäranzeige |
| primary displays | Primäranzeigen |
| primary drilling | Vorbohrung |
| primary drive | Primärantrieb |
| primary drives | Primärantriebe |
| primary edema | primäres Ödem |
| primary education | Primarstufe |
| primary effusion lymphoma , PEL | primäres Effusionslymphom , PEL |
| primary election | Vorwahl |
| Primary elections | Primary |
| primary elector | Urwähler |
| primary electron | Primärelektron |
| primary element | Meßaufnehmer |
| primary energy | Primärenergie |
| primary energy carrier | Primärenergieträger |
| primary energy consumption | Primärenergieverbrauch |
| primary exchange | Hauptvermittlungsstelle |
| primary explosive | Zündstoff |
| primary explosives | Primärsprengstoffe |
| primary file | Primärdatei |
| primary flame zone | Flammenkern |
| primary flat joint | L-Kluft |
| primary flying training | fliegerische Grundausbildung |
| primary forest | Primärwald |
| primary forests | Primärwälder |
| primary frequency standard | Primärfrequenznormal |
| primary function | Stammfunktion |
| primary fuse | Grobsicherung |
| primary galvanic cell | Primärelement |
| primary germ layer | Keimzellanlage |
| primary group | Gruppe |
| primary habitat | Primärhabitat |
| primary health care | primäre Gesundheitsversorgung |
| primary hepatocellular carcinoma , primary HCC | primäres Leberzellenkarzinom |
| primary hyperaldosteronism | Primärer Hyperaldosteronismus |
| primary hyperaldosteronism , PH | primärer Hyperaldosteronismus , PH |
