Dampness (8)
'dampness' is the definition.
(I know that dampness can be written as moisture)
This is all the clue.
(Other definitions for moisture that I've seen before include "Damp" , "Liquid condensed as droplets or in spray form" , "Liquid in vapour or spray form" , "Slight wetness" , "Liquid, in drops perhaps" .)
'dampness' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for humidity that I've seen before include "Wetness of the air" , "Dampness" .)