bariumn.
/ˈbɛːrɪəm/, U.S. /ˈbɛriəm/ Chemistry.attributive.1866 H. E. Roscoe Lessons Elem. Chem. xx. 178 Barium compounds occur somewhat more widely dispersed than those of strontium.
A white metallic element, not found native, but as the basis of the alkaline earth baryta. First separated by Sir H. Davy in 1808.
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the world > matter > chemistry > elements and compounds > metals > specific elements > barium > [noun]
Ba1802
barium1808
plutonium1816
1808 H. Davy in Philos. Trans. (Royal Soc.) 98 346 I shall venture to denominate the metals from the alkaline earths, barium, strontium, calcium, and magnium.
1819 J. G. Children Ess. Chem. Anal. 443 One atom of baryum + one atom of oxygen, forms one atom of barya.
1873 H. Watts Fownes's Man. Elem. Chem. (ed. 11) 357 Barium occurs as sulphate and carbonate, forming the veinstone in many lead mines.
Compounds
barium enema n.
ΘΚΠ
the world > health and disease > healing > diagnosis or prognosis > tests > [noun] > materials used in testing
test-meal1891
mucicarmine1896
pastille1906
barium meal1913
barium enema1930
mecholyl1934
radioiodine1935
cardiolipin1942
histoplasmin1945
barium swallow1946
methacholine1948
radiotracer1949
piperoxan1950
radio pill1957
1930 D. A. Rhinehart Roentgenogr. Technique xviii. 346 Postero-anterior views of the colon filled with a barium enema.
1940 Med. Ann. 507 A patient..was submitted..for a barium enema examination of the colon.
barium meal n. a mixture containing barium sulphate, a white compound that is opaque to X-rays, used in radiological examination of the alimentary tract.
ΘΚΠ
the world > health and disease > healing > diagnosis or prognosis > tests > [noun] > materials used in testing
test-meal1891
mucicarmine1896
pastille1906
barium meal1913
barium enema1930
mecholyl1934
radioiodine1935
cardiolipin1942
histoplasmin1945
barium swallow1946
methacholine1948
radiotracer1949
piperoxan1950
radio pill1957
1913 Lancet 31 May 1529/2 Dr. J. Delpratt Harris gave a demonstration of a Barium Meal in a case of Gastroenterostomy.
1966 Listener 24 Feb. 273/1 They performed all sorts of tests on me with barium meals.
barium swallow n. = barium meal n.
ΘΚΠ
the world > health and disease > healing > diagnosis or prognosis > tests > [noun] > materials used in testing
test-meal1891
mucicarmine1896
pastille1906
barium meal1913
barium enema1930
mecholyl1934
radioiodine1935
cardiolipin1942
histoplasmin1945
barium swallow1946
methacholine1948
radiotracer1949
piperoxan1950
radio pill1957
1946 Brit. Jrnl. Radiology Mar. 114/2 On examination with a barium swallow and meal it was seen that there was..dilatation..of the œsophagus.
1962 Lancet 13 Jan. 67/1 Barium-swallow examinations may fail to demonstrate œsophageal varices.
This entry has not yet been fully updated (first published 1885; most recently modified version published online December 2021).
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n.1808