attenuation coefficient
Analogous to absorption coefficient but taking into account also the effects due to scattering and luminescence. It was formerly called extinction coefficient.
Green Book, 2nd ed., p. 32 (
See also:
Orange Book, 2nd ed., p. 212 (
PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 963 (