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, prepared by the action of zinc dust as a reducing agent upon the coloring matter of the blood, used medicinally as a hematinic.

n instrument devised by Hermann, for regulating and measuring the thickness of a layer of blood for spectroscopic examination.

mall matters; to chaffer; to higgle. Royalty and science never haggled about the value of blood. Walpole.

Half-blooded. [Obs.]

Half-blooded.

To strike repeated blows, literally or figuratively. Blood and revenge are hammering in my head. Shak.

To cross; to spot; to stain; to steep. [Obs.] His weapon hatched in blood. Beau. & Fl.

Specifically, a tomahawk. Buried was the bloody hatchet. Longfellow.

of the seventeenth century. Haversian canals (Anat.), the small canals through which the blood vessels ramify in bone.

llow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood. Why does my blood thus muster to my heart! Shak.

has raised . . . heats in their faces. Addison. The heats smiths take of their iron are a blood-red heat, a white- flame heat, and a sparking or welding heat. Moxon.

See Bloodstone (a). Heliotrope purple, a grayish purple color.

A composition made from blood, mixed with mineral or vegetable substances, used for making buttons, door knobs, etc.

An instrument for measuring the velocity with which the blood moves in the arteries.

The act of measuring the velocity with which the blood circulates in the arteries; hæmotachometry.

The principles of dynamics in their application to the blood; that part of science which treats of the motion of the blood.

An instrument by which the pressure of the blood in the arteries, or veins, is measured by the height to which it will raise a column of mercury; -- called also a hæmomanometer.

Relating to the blood or blood vessels; pertaining to, situated in the region of, or on the side with, the heart and great blood vessels; -- opposed to neural.

Laws relating to the equilibrium of the blood in the blood vessels.

A vomiting of blood.