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Strictly, a disease by pustules or eruptions of any kind, but chiefly or wholly restricted to three or four diseases, -- the smallpox, the chicken pox, and the vaccine and the venereal diseases.

hern species is X. Carolinianum. Gray. -- Prickly heat (Med.), a noncontagious cutaneous eruption of red pimples, attended with intense itching and tingling of the parts affected. It is due to inflammation of the sweat glands, and is often brought on by overheating the skin in hot weather. -- Prickly pear (Bot.), a n…

A papular disease of the skin, of which intense itching is the chief symptom, the eruption scarcely differing from the healthy cuticle in color.

1. Of or pertaining to pustules; as, pustular prominences; pustular eruptions.

A fine eruption or efflorescence on the body, with little or no elevation. Canker rash. See in the Vocabulary. -- Nettle rash. See Urticaria. -- Rose rash. See Roseola. -- Tooth rash. See Red-gum.

An eruption of red pimples upon the face, neck, and arms, in early infancy; tooth rash; strophulus. Good.

The subsidence of a tumor or eruption by the action of a repellent. Dunglison.

Metastasis of an eruption or a tumor from the surface to the interior of the body.

To become apparent; to emerge into sight; to come forth; to appear; as, an eruption rises on the skin; the land rises to view to one sailing toward the shore.

A ruddy eruption upon the nose caused by drinking ardent spirits; a grog blossom.

rnately fading and reviving; also, an acute specific disease which is characterized by an eruption of this character; -- called also rose rash. -- Ro*se"o*lous, a.

An acute specific disease with a dusky red cutaneous eruption resembling that of measles, but unattended by catarrhal symptoms; -- called also German measles.

An eruption upon the skin, consisting of vesicles with inflamed base and filled with serous, purulent, or bloody fluid, which dries up, forming a blackish crust.

An eruption on the hind leg of a horse. [Written also sellanders, and sellenders.] On the inside of the hock, or a little below it, as well as at the bend of the knee, there is occasionally a scurfy eruption called "mallenders" in the fore leg, and "sallenders" in the hind leg. Youatt.

A rushing or bursting forth; a quick issue; a sudden eruption; specifically, an issuing of troops from a place besieged to attack the besiegers; a sortie. Sallies were made by the Spaniards, but they were beaten in with loss. Bacon.

A popular name, esp. in the United States, for various cutaneous eruptions, particularly for those of eczema. See Eczema.

A variety of orthoclase feldspar common in certain eruptive rocks, as trachyte; -- called also glassy feldspar.

Consisting of scabs; rough; itchy; leprous; as, scabious eruptions. Arbuthnot.

of the fever with which the disease began, as the fever which attends the outbreak of the eruption in smallpox. -- Secondary hemorrhage (Med.), hemorrhage occuring from a wounded blood vessel at some considerable time after the original bleeding has ceased. -- Secondary planet. (Astron.) See the Note under Planet. -…

A dry, scaly eruption on the skin; especially, a ringworm.