This is the 6955th most frequent Swedish word.
petri
"Petri" in Swedish is not an independent word but typically a proper name, such as "Petri dish" in scientific contexts.
Here, 'Petri' is used as a proper noun, referring to a person's name.
Petri är en vän till mig.
Petri is a friend of mine.
In this sentence, 'Petri' is part of the term 'Petri-skålar', which refers to a common laboratory item.
Hon arbetar med Petri-skålar i laboratoriet.
She works with Petri dishes in the laboratory.
Again, 'Petri' is a proper noun, denoting an individual's name, showcasing personal actions.