The Collaborative International Dictionary
Irritancy
Irritancy \Ir"ri*tan*cy\, n. [From 2d Irritant.] The state or quality of being irritant or irritating.
Irritancy
Irritancy \Ir"ri*tan*cy\, n. [From 1st Irritant.] (Scots Law)
The state or quality of being null and void; invalidity;
forfeiture.
--Burrill.