This is the 10302nd most frequent Polish word.
chlorem
"Chlorem" is the instrumental case of "chlor," which means "chlorine" in Polish.
The word 'chlorem' is the instrumental case of 'chlor', used to describe the substance being smelled.
W basenie czułem silny zapach chlorem.
In the swimming pool, I felt a strong smell of chlorine.
'Chlorem' here is used in the instrumental case to indicate that chlorine is involved in the reactions.
Naukowcy badają reakcje chemiczne z chlorem.
Scientists are studying chemical reactions with chlorine.
In this sentence, 'chlorem' is used in the instrumental case to explain what substance is used for disinfection.