contouring

1. the construction of contour lines through a matrix of points each having a known value of some variable (countable, uncountable)
2. a technique in makeup using blush and bronzing powder to define contours on the face (countable, uncountable)
3. the building up of muscles with exercise (countable, uncountable)
4. walking along contour lines, usually to save energy or simplify navigation (countable, uncountable)

Plural contourings