An irritative agent.    From Wordnet, Princeton University. 

Adjective : an irritative fever.    From Dictionary.com. 

This kind of connection we shall term irritative association, to distinguish it from sensitive and voluntary associations.    From Wordnik.com.  [Zoonomia, Vol. I Or, the Laws of Organic Life] Reference

In the first class of diseases two kinds of fevers were described, one from excess, and the other from defect of irritation; and were in consequence termed irritative, and inirritative fevers.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

Those trains or tribes of associate motions, whose introductory link consists of an irritative motion, are termed irritative associations; as when the muscles of the eyelids close the eye in common nictitation.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

It will relieve even the irritative hectic cough of consumptive patients.    From Wordnik.com.  [Herbal Simples Approved for Modern Uses of Cure] Reference

By air we had perturbed the Turks: by irritative raids we were luring them towards a wrong objective.    From Wordnik.com.  [Seven Pillars of Wisdom] Reference

The irritative ideas are nevertheless performed, though perhaps in.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

A defective action of the irritative motions without increase of the frequency of the pulse.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

He was confined to his bed some two weeks, suffering from circumscribed peritonitis with irritative fever.    From Wordnik.com.  [Anomalies and Curiosities of Medicine] Reference

And is perhaps rather owing to irritative association, or reverse sympathy, between the lungs and the liver.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

The irritative fever which accompanies such a wound had been much aggravated, he said, by bad air and improper dressings.    From Wordnik.com.  [The Grateful Indian And other Stories] Reference

The connexion of the motions of the stomach with irritative ideas, or motions of the organs of sense, in vertigo, is shewn in Sect.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

To these increased actions of the air-cells are superadded those of the intercostal muscles and diaphragm by irritative association.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

A third circle of irritative associate motions consists of those of the absorbent system; which may be divided into two, the lacteals, and the lymphatics.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

When the eye is inflamed, great light becomes eminently painful, owing to the increased irritative motions of the retina, and the consequent increased sensation.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

In this fever the pulsations of the heart and arteries are weakened or lessened, not only in the cold paroxysm, as in the irritative fever, but also in the hot paroxysm.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

Which decreased action of the stomach is in consequence of the increased expenditure of the sensorial power on the irritative ideas of vision, as explained in Vertigo rotatoria.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

By the greater or less energy of action of the first link with which they are catenated, and from which they take their names; as irritative, sensitive, or voluntary associations.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

But as excess of sensation may exist with excess or defect of irritation, two other kinds of fever arise from a combination of sensitive fever with the irritative, and inirritative ones.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

This may be better understood from considering the use, which blind men make of these irritative sounds, which they have taught themselves to attend to, but which escape the notice of others.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

The irritative motions of the stomach become torpid, and do their office of digestion imperfectly, in consequence of their association with the torpid motions of the vessels of the extremities.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

The links of association, which are effected in the vertigo occasioned by unusual motion, are the irritative motions of the sense of vision, those of the stomach, and those of the heart and arteries.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

It originates from some topical inflammation, which, if the fever is not subdued, terminates in suppuration; and differs from irritative fever in respect to the painful sensation which accompanies it.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

This ringing in the ears also attends the vertigo from intoxication; for the irritative ideas of sound are then more weakly excited in consequence of the deficiency of the sensorial power of association.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

When he revolves, the irritative associations of the muscular motions, which were used to preserve his perpendicularity, become disordered by their new modes of successive exertion; and he begins to fall.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference

In this vertigo the irritative ideas of the apparent motions of objects are less distinct, and on that account are not succeeded by their usual irritative associations of motion; but excite our attention.    From Wordnik.com.  [Zoonomia, Vol. II Or, the Laws of Organic Life] Reference