plural of irritant

Causing irritation or inflammation. / (law, Scotland) Rendering null and void; conditionally invalidating.

Any medication designed to cause irritation / A source of irritation.

serving to excite or irritate / accompanied with, or produced by, increased action or irritation

Any substance causing irritation; an irritant.

The quality of being irritant or irritating. / (law, Scotland) The state or quality of being null and void; invalidity

One who or that which irritates.

plural of irritancy

plural of irritative

plural of irritability