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

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

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

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..

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

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..

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..

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

Syllabary :: Syllabarium (n.) A syllabary.

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

Herbariums :: Herbariums (pl. ) of Herbariu.

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..

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

Baric :: Baric (a.) Of or pertaining to barium; as, baric oxide..

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

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

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

Heavy Spar :: Heavy spar () Native barium sulphate or barite, -- so called because of its high specific gravity as compared with other non-metallic minerals..

Hyalophane :: Hyalophane (n.) A species of the feldspar group containing barium. See Feldspar.

Herbarium :: Herbarium (n.) A collection of dried specimens of plants, systematically arranged..

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