term,name,definition,category,provenance,provenance_uri,note inverseLength,Inverse length,The inverse of length - frequently used for absorption or attenuation coefficients and wave numbers. This can also be used to for extrinsic curvature where the unit 'diopter' is used.,Space and Time,QUDT,http://qudt.org/vocab/quantity#Inverselength,"This should not be used for linear densities, but only for quantities with a truly dimensionless numerator. For linear densities, use ""Count per length"""