L1I1G2H4T1F4A1S1T1N1E1S1S1
20 points
LIGHTFASTNESS is validvalid
the quality of being lightfast [n LIGHTFASTNESSES]
of a fabric, the quality of being unaffected by light [n -ES]
the quality of being lightfast [n LIGHTFASTNESSES]
of a fabric, the quality of being unaffected by light [n -ES]