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An oxide containing more oxygen than some other oxide of the same element. Formerly peroxides were regarded as the highest oxides. Cf. Per-, 2.

A compound having a relatively large percentage of oxygen; a peroxide. [Obs.]

See Peroxide. [Obs.]

or swampy land; a variety of brown iron ore, or limonite. (b) Bog manganese, the hydrated peroxide of manganese. -- Bog rush (Bot.), any rush growing in bogs; saw grass. -- Bog spavin. See under Spavin.

A prefix equivalent to super- or per-; as hyperoxide, or peroxide. [Obs.] See Per-.

ome metallic compound; specifically, the prismatic tints produced by depositing a film of peroxide of lead on polished steel by electricity.

the air or with oxygen, it becomes reddish brown from the formation of nitric dioxide or peroxide.

Colored rings formed upon a metal plate by the electrolytic disposition of copper, lead peroxide, etc. They may be produced by touching with a pointed zinc rod a silver plate on which is a solution of copper sulphate.

only that the element has a higher valence than in other similar compounds; thus, barium peroxide is the highest oxide of barium; while nitrogen and manganese peroxides, so-called, are not the highest oxides of those elements.

ounds of chromium, which has a deep blue color, and is produced by the action of hydrogen peroxide.

Act, process, or result of peroxidizing; oxidation to a peroxide.

To oxidize to the utmost degree, so as to form a peroxide.

given to the salts supposed to be formed respectively by neutralizing acids with certain peroxides. [Obsoles.]

A sulphate of the peroxide of any base. [R.]

rived from an oxygen acid. -- Per salt (Old Chem.), a salt supposed to be derived from a peroxide base or analogous compound. [Obs.] -- Permanent salt, a salt which undergoes no change on exposure to the air. -- Proto salt (Chem.), a salt derived from a protoxide base or analogous compound. -- Rochelle salt. See und…

s; as in calcium superphosphate. It has been superseded by per-, bi-, di-, acid, etc. (as peroxide, bicarbonate, disulphide, and acid sulphate), which retain the old meanings of super-, but with sharper definition. Cf. Acid, a., Bi-, Di-, and Per-.

To combine with oxygen so as to form a suroxide or peroxide. [Obs.]

A peroxide. [Obs.]