This is the 12634th most frequent Russian word.
контуре
"Контуре" is the prepositional case of "контур," meaning "outline" or "contour" in English.
The word "контуре" here refers to an electrical circuit, specifically within the context of physics.
Электрический ток в этом контуре создаёт магнитное поле.
The electric current in this circuit creates a magnetic field.
The word "контуре" is used here to mean an outline or schematic representation.
При рисовании карты реки она указала её русло на контуре.
While drawing the map of the river, she marked its channel on the outline.
In this sentence, "контуре" describes a closed system or loop in which the device functions.