No. 14,271 in Polish
prostownik
A "prostownik" is a rectifier or a device that converts alternating current (AC) to direct current (DC).
In a sentence
Kupiłem nowy prostownik do ładowania akumulatorów.
I bought a new rectifier for charging batteries.
In this context, "prostownik" refers to a device used to convert alternating current (AC) to direct current (DC), often used for charging car batteries.
Prostownik w moim telewizorze przestał działać, co wymagało jego naprawy.
The rectifier in my television stopped working, which required its repair.
Here, "prostownik" is the electronic component within a device transforming electrical currents for its operation.
Mój przyjaciel zakupił prostownik mięśniowy, aby poprawić swoją postawę.
My friend bought a posture corrector to improve his posture.
This sentence demonstrates a figurative and less common usage of "prostownik" to mean a device or tool that 'straightens' or corrects something, in this case, posture.
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