H.

Hack, v. i. To ride or drive as one does with a hack horse; to ride at an ordinary pace, or over the roads, as distinguished from riding across country or in military fashion.

Hack, v. t. (Football) To kick the shins of (an opposing payer).

Hack, n. (Football) A kick on the shins, or a cut from a kick.

Hade, n. (Geol. & Mining) The deviation of a fault plane from the vertical.

The direction of the hade is the direction toward which the fault plane descends from an intersecting vertical line.

||Hæm`a*tol"y*sis (?), n. [NL.; hæmato- + Gr. &?; a loosing, dissolving, fr. &?; to loose, dissolve.] (Physiol.) Dissolution of the red blood corpuscles with diminished coagulability of the blood; hæmolysis. -- Hæm`a*to*lyt"ic (#), a.

Hæ"mol (?), n. [Gr. &?; blood.] (Chem.) A dark brown powder containing iron, prepared by the action of zinc dust as a reducing agent upon the coloring matter of the blood, used medicinally as a hematinic.

||Hæ*mol"y*sis (?), n., Hæm`*lyt"ic (&?;), a. (Physiol.) Same as Hæmatolysis, Hæmatolytic.

Hague Tribunal (?). The permanent court of arbitration created by the "International Convention for the Pacific Settle of International Disputes.", adopted by the International Peace Conference of 1899. It is composed of persons of known competency in questions of international law, nominated by the signatory powers. From these persons an arbitration tribunal is chosen by the parties to a difference submitted to the court. On the failure of the parties to agree directly on the arbitrators, each chooses two arbitrators, an umpire is selected by them, by a third power, or by two powers selected by the parties.

Hai"kwan" (?), n. [Chin. 'hai- kuan.] Chinese maritime customs.

Haikwan tael. A Chinese weight ( catty) equivalent to 1 oz. or 37.801 g.

Half nelson. (Wrestling) A hold in which one arm is thrust under the corresponding arm of the opponent, generally behind, and the hand placed upon the back of his neck. In the full nelson both hands are so placed.

{ Half tone, or Half"-tone` }, n. 1. (Fine Arts) (a) An intermediate or middle tone in a painting, engraving, photograph, etc.; a middle tint, neither very dark nor very light. (b) A half-tone photo- engraving.

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