booster
Loading your saved state.
booster shot
An additional dose of a vaccine that is given after the initial immunization in order to strengthen or refresh vaccine protection.
Ich habe mir gestern den Booster gegen Corona geholt.
I got my COVID booster shot yesterday.
booster
A technical device or mechanism that increases power, pressure, or speed. Especially in rockets, an additional propulsion stage for launch.
Nach dem Abwurf der Booster erreichte die Rakete ihre endgültige Umlaufbahn.
After the boosters were jettisoned, the rocket reached its final orbit.
boost
In a figurative sense, something that has a positive, strengthening effect or gives a boost.
Der überraschende Sieg war ein echter Booster für das Selbstvertrauen der Mannschaft.
The surprising victory was a real boost for the team's confidence.
The word 'Booster' is a direct loanword from English. In German, it is used with the same basic meaning of an 'amplifier' or 'drive' and has become established especially in technical and medical contexts.
Dieser Sieg war ein wichtiger Booster für die Moral des Teams.
This victory was an important boost for the team's morale.
You can recognize the exact meaning of 'Booster' from the context. If the topic is medicine or vaccinations, it means a booster shot. In connection with rockets or technology, it refers to a propulsion stage. With topics like motivation or career, the figurative meaning as a 'boost' is meant.
Die Rakete zündete planmäßig die zweite Booster-Stufe.
The rocket ignited the second booster stage as planned.
In a medical context, 'Booster' is often combined with verbs such as 'sich holen' (to get), 'bekommen' (to receive), or 'sich geben lassen' (to have administered). The compound 'Booster-Impfung' (booster vaccination/booster shot) is also very common.
Viele Menschen haben sich bereits den zweiten Booster geben lassen.
Many people have already had the second booster administered.
In its figurative meaning, 'Booster' is often used for abstract things that have a positive effect. Typical phrases are 'ein Booster für das Selbstvertrauen' (a boost for self-confidence) or 'ein Booster für die Wirtschaft' (a boost for the economy).
Die positive Rückmeldung war ein Booster für seine Motivation.
The positive feedback was a boost for his motivation.
amplifier
Der Verstärker is an electronic device that amplifies an electrical signal, especially an audio signal. Der Booster is an additional technical device that increases power, pressure, or speed. Use Verstärker for increasing the strength of a signal and Booster for providing an additional boost in performance.
Der Booster erhöht beim Start den Schub der Rakete.
At launch, the booster increases the rocket's thrust.
Der Verstärker erhöht das Audiosignal der Gitarre.
The amplifier increases the guitar's audio signal.
