What is another word for field line?
Pronunciation: [fˈiːld lˈa͡ɪn] (IPA) 
The term "field line" is commonly used in the fields of physics, magnetism, and engineering to describe the lines that represent the direction of a magnetic or electric field. Synonyms for field line include magnetic line, flux line, equipotential line, and stream line. Flux lines refer specifically to the lines that depict the amount of magnetic flux passing through a given area. Equipotential lines represent points that have the same potential energy within an electric field. Stream lines are commonly used to describe the flow of a fluid or gas through a field. Regardless of the term used, field lines are crucial for understanding the behavior of magnetic and electric fields in various applications.
