
die Injektion
injection
The introduction of a liquid, usually a medication, into the body using a syringe and a needle.
Der Arzt verabreichte dem Patienten eine Injektion gegen die Schmerzen.
The doctor gave the patient an injection for the pain.
injection
Loading your saved state.

injection
The introduction of a liquid, usually a medication, into the body using a syringe and a needle.
Der Arzt verabreichte dem Patienten eine Injektion gegen die Schmerzen.
The doctor gave the patient an injection for the pain.

injection
The injection of a liquid or gas into a technical system under pressure.
Moderne Motoren arbeiten mit einer elektronischen Benzineinspritzung, einer Form der Injektion.
Modern engines work with electronic gasoline injection, a form of injection.
'Injektion' (injection) belongs to the word family of the verb 'injizieren' (to inject). Both words come from Latin and contain the parts 'in-' (into) and '-jizieren' (to throw, inject).
Der Arzt musste dem Patienten ein Antibiotikum injizieren.
The doctor had to inject the patient with an antibiotic.
You can tell from the context whether the medical or technical meaning is intended. Words like 'Arzt' (doctor), 'Patient' (patient), 'Spritze' (syringe), or 'Impfung' (vaccination) point to medicine. Terms like 'Motor' (engine), 'Treibstoff' (fuel), or 'System' (system) point to technology.
Die Krankenschwester bereitete die Injektion vor.
The nurse prepared the injection.
In a medical context, 'Injektion' (injection) is often combined with the verbs 'geben' (to give), 'bekommen' (to get/receive), or the more formal 'verabreichen' (to administer).
Ich habe heute beim Arzt eine Injektion gegen Tetanus bekommen.
I got an injection against tetanus at the doctor's today.
vaccination
Both words can describe the administration of a vaccine by injection. „Die Impfung“ emphasizes that the aim is to build up protection against a disease, whereas „die Injektion“ refers only to the method of introducing the substance and can also involve other liquids. Use „Impfung“ for the purpose and „Injektion“ for the method.

Die Injektion des Tetanusimpfstoffs erfolgte mit einer dünnen Nadel.
The tetanus vaccine was injected with a thin needle.
Die Impfung gegen Tetanus soll den Körper vor der Krankheit schützen.
The vaccination against tetanus is intended to protect the body from the disease.