barium


Also found in: Thesaurus, Medical, Financial, Acronyms, Encyclopedia, Wikipedia.

bar·i·um

 (bâr′ē-əm, băr′-)
n.
1. Symbol Ba A soft, silvery-white or yellowish-white alkaline-earth metal, used to deoxidize copper and to absorb trace gases in vacuum tubes, and used in various alloys. Atomic number 56; atomic weight 137.33; melting point 727°C; boiling point 1,897°C; specific gravity 3.62; valence 2. See Periodic Table.
2. A radiopaque solution containing barium sulfate that is used to visualize the gastrointestinal tract on x-rays.


bar′ic (-ĭk) adj.

barium

(ˈbɛərɪəm)
n
(Elements & Compounds) a soft silvery-white metallic element of the alkaline earth group. It is used in bearing alloys and compounds used as pigments. Symbol: Ba; atomic no: 56; atomic wt: 137.327; valency: 2; relative density: 3.5; melting pt: 729°C; boiling pt: 1805°C
[C19: from bar(yta) + -ium]

bar•i•um

(ˈbɛər i əm, ˈbær-)

n.
a whitish, malleable, active, divalent, metallic element, occurring in combination chiefly as barite or as witherite. Symbol: Ba; at. wt.: 137.34; at. no.: 56; sp. gr.: 3.5 at 20°C.
[1800–10; bar (ytes) + -ium2]

bar·i·um

(bâr′ē-əm)
Symbol Ba A soft, silvery-white metallic element that only occurs combined with other elements, especially in barite. Barium compounds are used in x-raying the stomach and intestines and in making fireworks and white pigments. Atomic number 56. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.barium - a soft silvery metallic element of the alkali earth groupbarium - a soft silvery metallic element of the alkali earth group; found in barite
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
baryta - any of several compounds of barium
barite, barytes, heavy spar, barium sulphate - a white or colorless mineral (BaSO4); the main source of barium
Translations
барий
baryum
barium
bario
baarium
barium
בריום
barij
bárium
barín
バリウム
baris
barium
bariu
bárium
barij
barium
baryum
bari

barium

[ˈbɛərɪəm]
A. Nbario m
B. CPD barium meal Nsulfato m de bario

barium

[ˈbɛərɪəm] n (= metal) → baryum mbarium meal nbouillie f de sulfate de baryum

barium

nBarium nt

barium

[ˈbɛərɪəm] nbario

bar·i·um

n. bario, metal alcalino de número atómico 56;
___ enemaenema de ___;
___ swallowtrago de ___.

barium

n bario
References in periodicals archive ?
To investigate the effect of pH on yield of b barium peroxide prepared 0.
In patients with suspected bowel perforation or peritonitis, barium enemas can be life-threatening and water-soluble contrast enemas should be used to confirm the diagnosis.
Key words: barium-impregnated polyethylene spheres, BIPS, barium sulfate suspension, gastrointestinal transit, avian, pigeon, Columba livia
In general, the barium content in drinking water is not regulated by directives or drinking water standards.
He and his colleagues found a way to turn a composite of barium titanate and tin into the stiffest known material, stiffer even than diamonds.
The second study, by Vehmas, (1) examined 23 radiology residents (14 women and 9 men, aged 26 to 40 years) who performed 528 double-contrast barium enemas.
After the tissues had been pretreated with the extract or compounds cumulative concentration response curves using the agonists ACh-chloride, histamine hydrochloride, potassium chloride or barium chloride were recorded isotonically in the organ bath, and the effect was allowed to reach a steady state at each concentration.
In laboratory experiments, the researchers proved that embedding the barium titanate within the tin resulted in a composite material with stiffness nearing 10 times that of diamond.
The provocative food study began with a standard upper GI exam using liquid barium alone.
The volunteers swallowed hard gelatin capsules filled with barium sulfate and were observed with videofluoroscopy.
Primary achalasia is characterized on barium studies by a dilated, flaccid esophagus with absent primary peristalsis in the esophageal body and impaired opening of the LES, causing a smooth, tapered, beaklike narrowing of the distal esophagus at or directly adjacent to the gastroesophageal junction (Figure 1).
The Oak Ridge team reports that the barium zireonate disks stack up in orderly columns that span the film.