field line

Noun

 * 1)  A visual aid for visualizing vector fields; a line drawn such that the direction of its tangent at any point equals the direction of the vector at that point.

Translations

 * Estonian: väljajoon, jõujoon
 * Finnish: kenttäviiva
 * French: ligne de champ
 * German: Feldlinie
 * Spanish: línea de campo
 * Swedish: fältlinje