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An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in splendent rhombohedral crystals, and in massive and earthy forms; -- the last called red ocher. Called also specular iron, oligist iron, rhombohedral iron ore, and bloodstone. See Brown hematite, under Brown.…

Of or pertaining to hematite, or resembling it.

See Hæma-.

A tumor filled with blood.

The cold-blooded vertebrates, that is, all but the mammals and birds; -- the antithesis to Hematotherma.

See Hemoglobin.

Resembling blood.

A crystalline or amorphous pigment, free from iron, formed from hematin in old blood stains, and in old hemorrhages in the body. It resembles bilirubin. When present in the corpora lutea it is called hæmolutein.

The science which treats of the blood.

A circumscribed swelling produced by an effusion of blood beneath the skin.

A condition characterized by a tendency to profuse and uncontrollable hemorrhage from the slightest wounds.

The hematin of blood. [R.]

Sanguification; the conversion of chyle into blood.

The warm-blooded vertebrates, comprising the mammals and birds; -- the antithesis to hematocrya.

Warm-blooded.

Hæmatoxylin.

Passage of urine mingled with blood.

The obtaining of a curve similar to a pulse curve or sphygmogram by allowing the blood from a divided artery to strike against a piece of paper.

One of the partially thickened anterior wings of certain insects, as of many Hemiptera, the earwigs, etc.

A disease of the eyes, in consequence of which a person can see clearly or without pain only by daylight or a strong artificial light; day sight.