Dutch

  • omtrek

English

  • perimeter: The continuous line forming the boundary of a closed geometrical figure.
  • outline: A line or set of lines enclosing or indicating the shape of an object in a sketch or diagram.
  • contour: An outline representing or bounding the shape or form of something.
  • circumference: The enclosing boundary of a curved geometric figure, especially a circle.

GWIT

1. (nabijheid) surroundings 
2. (omlijning, contour) outline, contour 
3. (omvang) girth 
4. (regio, buurt) region 
5. (van terrein, meer, gebied) circumference 
6. [MATH.] (van willekeurige figuur) perimeter 
7. environ 
8. (van een cirkel, bol) circumference, periphery

See: Comprehensive Dictionary of Industry and Technology (Graham P. Oxtoby)

Van Dale