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, shining, slightly prominent spots, with spreading edges. These are often followed by an eruption of dark or yellowish prominent nodules, frequently producing great deformity. In one variety of the disease, anæsthesia of the skin is a prominent symptom. In addition there may be wasting of the muscles, falling out of t…

A name given to several varieties of skin disease, esp. to one characterized by the eruption of small, conical or flat, reddish pimples, which, if unchecked, tend to spread and produce great and even fatal exhaustion.

earth, the portion undergoing change through the gradual transfer of material by volcanic eruption, the circulation of underground water, and the process of erosion and deposition. It is, therefore, regarded as a third mobile envelope comparable with the hydrosphere and atmosphere.

The molten matter within the earth, the source of the material of lava flows, dikes of eruptive rocks, etc.

A scurfy eruption in the bend of the knee of the fore leg of a horse. See Sallenders. [Written also mallenders.]

ompact crystalline rock not distinctly schistone, as granite; also, with some authors, an eruptive rock.

r commencing with catarrhal symptoms, and marked by the appearance on the third day of an eruption of distinct red circular spots, which coalesce in a crescentic form, are slightly raised above the surface, and after the fourth day of the eruption gradually decline; rubeola. Measles commences with the ordinary symptoms…

Any one of several dark-colored augitic, eruptive rocks allied to basalt.

A fever accompanied by an eruption of small, isolated, red pimples, resembling a millet seed in form or size; miliary fever.

Like millet seeds; as, a miliary eruption.

Pertaining to the measles; partaking of the nature of measels, or resembling the eruptions of that disease; measly.

A scurfy eruption. [Obs.] Drayton.

Mud poured out from volcanoes during eruptions; -- so called in South America.

A common name of the yellowish green mineral chrysolite, esp. the variety found in eruptive rocks.

A bursting forth; eruption; insurrection. "Mobs and outbreaks." J. H. Newman. The flash and outbreak of a fiery mind. Shak.

Consisting of papules; characterized by the presence of papules; as, a papular eruption.

An eruptive rock characterized by the presence of chrysolite (peridot). It also usually contains pyroxene, enstatite, chromite, etc. It is often altered to serpentine.

Full of pocks; affected with smallpox or other eruptive disease. Bp. Hall.

Of, pertaining to, or characteristic of, Pompeii, an ancient city of Italy, buried by an eruption of Vesuvius in 79 a. d., and partly uncovered by modern excavations.

A skin disease in which there is an eruption of bullæ, without inflammation or fever.