Length

characteristic length inseam length distance overlap semi-minor axis radial distance kinetic chain length semi-major axis radius coherence length waterline length displacement focal length span height flange focal distance depth of field length overall wingspan length over buffers equivalent width word length elevation depth of focus line element depth London penetration depth width thickness persistence length hydraulic head diameter overhang spacing lattice constant arc length path length Cartesian coordinate scantling length coherence length Euclidean distance bond length Debye length great-circle distance depth