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The art or process of reducing gold to extremely thin leaves, by beating with a hammer. Ure.

The act of reducing to powder, or of sharpening, by friction.

A body obtained from hemoglobin, by the action of reducing agents in the absence of oxygen.

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.

em.), a pungent, colorless gas, HI, usually prepared as a solution in water. It is strong reducing agent. Called also hydrogen iodine.

The art or process of assaying or reducing ores by means of liquid reagents.

id. It is usually obtained as a volatile, unstable solution in water. It acts as a strong reducing agent.

solution, by exaporation and freezing, as a white crystalline substance. It is a powerful reducing agent.

not obtained in the free state, but in an orange-yellow water solution, which is a strong reducing and bleaching agent. Called also hydrosulphurous acid.

Of actions for recovering or reducing to possession or enjoyment a specific object, as in the enforcement of maritime liens against a vessel, which is made the defendant by a sort of personification. Most actions for the specific recovery of property in English and American law are in the nature of actions in personam…

The act, process, or method, of reducing a gas or vapor to a liquid by cold or pressure; as, the liquefaction of oxygen or hydrogen.

hat which lubricates; specifically, a substance, as oil, grease, plumbago, etc., used for reducing the friction of the working parts of machinery.

ates the plane of polarized light further to the right and possesses a lower cupric oxide reducing power.

nnected with the engine cylinder. It is also moved at right angles to this direction by a reducing motion, called a reproducer, so as to copy accurately on a smaller scale the motion of the engine piston. The resultant of these two movements imparts to the reflected beam of light a motion similar to that of the pencil…

The act or process of reducing to pauperism. C. Kingsley.

-- Platinum sponge (Chem.), metallic platinum in a gray, porous, spongy form, obtained by reducing the double chloride of platinum and ammonium. It absorbs oxygen, hydrogen, and certain other gases, to a high degree, and is employed as an agent in oxidizing.

national food of the Hawaiians, made by baking and pounding the kalo (or taro) root, and reducing it to a thin paste, which is allowed to ferment.

A machine consisting of many pulleys; specifically, an apparatus formerly used for reducing luxations.

process (Chem.), the process of manufacturing soda by treating salt with sulphuric acid, reducing the sodium sulphate so formed to sodium sulphide by roasting with charcoal, and converting the sodium sulphide to sodium carbonate by roasting with lime. -- Mesne process. See under Mesne. -- Process milling, the proces…

The action of reducing to dust or powder.