isodynamic

Short definition from Wiktionary

Adjective

1. 1
   Having equal strength or force.
2. 2
   Of foods: having the same caloric content.
3. 3
   In Euclidean geometry, being or relating to certain points associated with a triangle, with the properties that an inversion centered at one of these points transforms the given triangle into an equilateral triangle, and that the distances from the isodynamic point to the triangle vertices are inversely proportional to the opposite side lengths of the triangle.

Noun

1. 1
   A line of equal field intensity.