Definition of "moistness"
noun
countable and uncountable, plural moistnesses
(obsolete) That which moistens or makes damp or wet; exuding fluid; liquid in small quantity.
Quotations
The moistnesse which the roote of a tree suckes becomes a trunke, a leafe, and fruite: And the aire being but one, applied unto a trumpet, becommoth diverse in a thousand sorts of sounds.
1603, Michel de Montaigne, chapter 12, in John Florio, transl., The Essayes […], book II, London: […] Val[entine] Simmes for Edward Blount […]