The Collaborative International Dictionary
Asperation
Asperation \As`per*a"tion\, n.
The act of asperating; a making or becoming rough.
--Bailey.
[1913 Webster] ||
Douglas Harper's Etymology Dictionary
asperation
1721, noun of action from asperate (v.). Asperacioun "harshness" is attested from early 15c.
Wiktionary
asperation
n. The act of asperate; a making or becoming rough.