This is the 7663rd most frequent Portuguese word.
patogenicida
A substance or agent that kills pathogens.
In this sentence, 'patogenicida' means a substance capable of killing pathogens, demonstrating its usage as a noun in the context of cleaning or sterilization.
O novo desinfetante é um excelente patogenicida.
The new disinfectant is an excellent pathogen killer.
Here, 'patogenicidas' is used to describe the properties or abilities of a substance to kill pathogens.
A pesquisa demonstrou que ele possui propriedades patogenicidas.
The research showed that it has pathogen-killing properties.
This sentence uses 'patogenicidas' as an adjective to qualify the products used.