booster
Pronunciación: [ˈbuːstər]
Contexto: «health»
(noun) a shot or dose you get to make sure your body has enough protection against an illness. It's like a little extra help for your immune system, especially after getting the main vaccine.
Ejemplo
She got her flu booster to make sure she stays healthy this winter.
Ejemplo
He didn't get the booster, so he might not be as protected against the flu.
Ejemplo
Did you get your COVID-19 booster shot yet?
Contexto: «education»
(noun) a person or thing that helps someone or something improve or increase. For example, a program that helps students learn better can be called a booster for their education.
Ejemplo
The after-school tutoring acted as a great booster for her math skills.
Ejemplo
Without any support, his grades didn't see a booster, and they stayed low.
Ejemplo
What kind of programs are available as boosters for students' learning?
Contexto: «technology»
(noun) a device or tool that increases power or makes something work better. For example, a booster can help a weak signal become stronger so that your devices connect better.
Ejemplo
The signal booster made it easier for them to get online in their house.
Ejemplo
Without the booster, their internet connection was very slow and often dropped.
Ejemplo
How does a signal booster improve internet speed?