The algebraic difference between the limits of the range from zero to full scale
In a roof, the length of the distance between the outer edges of the exterior walls under the gable end
{i} length, distance; duration, period of time; section between two bridge supports; wing span; distance between the tip of an outstretched thumb and little finger; unit of length equal to the space between thumb and little finger
the distance or interval between two points a unit of length based on the width of the expanded human hand (usually taken as 9 inches) the complete duration of something; "the job was finished in the span of an hour
The distance between the swivel pins Span of the Sculling boat The span of a boat is the distance between the top nut and the axis of the boat when seen from above For sculling boats, the distance between the top nuts is given instead, which is actually twice the span, but easiest to measure