ummál

Etymology
From. See the Old Norse (Icelandic ). Compare the 🇨🇬 + and.

Noun

 * 1)  a perimeter; sum of the distance of all the lengths of the sides of an object
 * 2)  a circumference; length of a line that bounds a circle or other two-dimensional figure

Derived terms

 * (isoperimetric)
 * (isoperimetric)
 * (isoperimetric inequality)
 * (isoperimetric problem)
 * (half-angle formula)
 * (isoperimetric problem)
 * (half-angle formula)
 * (half-angle formula)