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Per- :: Per- () Originally, denoting that the element to the name of which it is prefixed in the respective compounds exercised its highest valence; now, 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..

Columbarium :: Columbarium (n.) A sepulchral chamber with niches for holding cinerary urns.

Isomorphism :: Isomorphism (n.) A similarity of crystalline form between substances of similar composition, as between the sulphates of barium (BaSO4) and strontium (SrSO4). It is sometimes extended to include similarity of form between substances of unlike composition, which is more properly called homoeomorphism..

Columbarium :: Columbarium (n.) A dovecote or pigeon house.

Verbarium :: Verbarium (n.) A game in word making. See Logomachy, 2..

Syllabary :: Syllabarium (n.) A syllabary.

Barytes :: Barytes (n.) Barium sulphate, generally called heavy spar or barite. See Barite..

Barytum :: Barytum (n.) The metal barium. See Barium.

Saccharate :: Saccharate (n.) In a wider sense, a compound of saccharose, or any similar carbohydrate, with such bases as the oxides of calcium, barium, or lead; a sucrate..

Witherite :: Witherite (n.) Barium carbonate occurring in white or gray six-sided twin crystals, and also in columnar or granular masses..

Barium :: Barium (n.) One of the elements, belonging to the alkaline earth group; a metal having a silver-white color, and melting at a very high temperature. It is difficult to obtain the pure metal, from the facility with which it becomes oxidized in the air. Atomic weight, 137. Symbol, Ba. Its oxide called baryta..

Hortus Siccus :: Hortus siccus () A collection of specimens of plants, dried and preserved, and arranged systematically; an herbarium..

Barite :: Barite (n.) Native sulphate of barium, a mineral occurring in transparent, colorless, white to yellow crystals (generally tabular), also in granular form, and in compact massive forms resembling marble. It has a high specific gravity, and hence is often called heavy spar. It is a common mineral in metallic veins..

Baryto-calcite :: Baryto-calcite (n.) A mineral of a white or gray color, occurring massive or crystallized. It is a compound of the carbonates of barium and calcium..

Monoxide :: Monoxide (n.) An oxide containing one atom of oxygen in each molecule; as, barium monoxide..

Test :: Test (n.) A reaction employed to recognize or distinguish any particular substance or constituent of a compound, as the production of some characteristic precipitate; also, the reagent employed to produce such reaction; thus, the ordinary test for sulphuric acid is the production of a white insoluble precipitate of barium sulphate by means of some soluble barium salt..

Baryta :: Baryta (n.) An oxide of barium (or barytum); a heavy earth with a specific gravity above 4.

Herbal :: Herbal (n.) A collection of specimens of plants, dried and preserved; a hortus siccus; an herbarium..

Herbarium :: Herbarium (n.) A book or case for preserving dried plants.

Herbariums :: Herbariums (pl. ) of Herbariu.

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