Definition of barium

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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..

Lern More About Barium

Columbarium :: Columbarium (n.) A dovecote or pigeon house.
Syllabary :: Syllabarium (n.) A syllabary.
Columbarium :: Columbarium (n.) A sepulchral chamber with niches for holding cinerary urns.
Hortus Siccus :: Hortus siccus () A collection of specimens of plants, dried and preserved, and arranged systematically; an herbarium..
Herbariums :: Herbariums (pl. ) of Herbariu.
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..
Witherite :: Witherite (n.) Barium carbonate occurring in white or gray six-sided twin crystals, and also in columnar or granular masses..
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..
Baryta :: Baryta (n.) An oxide of barium (or barytum); a heavy earth with a specific gravity above 4.
Herbarium :: Herbarium (n.) A collection of dried specimens of plants, systematically arranged..
Hyalophane :: Hyalophane (n.) A species of the feldspar group containing barium. See Feldspar.
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..
Herbarium :: Herbarium (n.) A book or case for preserving dried plants.
Baric :: Baric (a.) Of or pertaining to barium; as, baric oxide..
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..
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..
Heavy Spar :: Heavy spar () Native barium sulphate or barite, -- so called because of its high specific gravity as compared with other non-metallic minerals..
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..
Verbarium :: Verbarium (n.) A game in word making. See Logomachy, 2..
Herbal :: Herbal (n.) A collection of specimens of plants, dried and preserved; a hortus siccus; an herbarium..
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