lewisiten.1
/ˈluːᵻsʌɪt/, U.S. /ˈluəˌsaɪt/ Mineralogy.
An antimonate and titanate of calcium, iron, and sodium, (Ca,Fe,Na)2(Sb,Ti)2O7, which is found as small yellow to yellowish brown octahedral crystals and may be regarded as a titanian romeite.
ΘΚΠ
the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > oxides of titanium, tantalum, nickel, or rare earths > others
crichtonite1813
polymignite1826
warwickite1838
samarskite1849
adelpholite1859
guarinite1859
hielmite1861
tapiolite1868
sipylite1877
koppite1880
stibiotantalite1893
lewisite1895
mossite1898
neotantalite1903
priorite1907
arizonite1909
betafite1912
ampangabeite1913
ishikawaite1922
tanteuxenite1928
thoreaulite1934
simpsonite1937
priderite1951
irinite1955
obruchevite1955
lueshite1961
pseudo-ixiolite1963
wodginite1963
pseudorutile1966
armalcolite1970
1895 E. Hussak & G. T. Prior in Mineral. Mag. 11 83 We have given the name of Lewisite to this new titano-antimonate from Brazil in honour of Prof. W. J. Lewis, during whose tenure of office the study of Mineralogy in the University of Cambridge has been so much encouraged.
1932 Mineral. Abstr. V. 185 Lewisite is a cubic mineral, whose composition is probably (Ca,Fe,Na)2(Sb,Ti)2(O,OH)7.
1951 C. Palache et al. Dana's Syst. Mineral. (ed. 7) II. 1022 Romeite... In Minas Geraes, Brazil, with cinnabar in eluvial sands at Tripuhy near Ouro Preto (lewisite).
This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2022).
Lewisiten.2
/ˈluːᵻsʌɪt/, U.S. /ˈluəˌsaɪt/ A dark oily liquid (colourless when pure) which is a powerful respiratory irritant and causes painful blisters on contact with the skin; 2-chlorovinyldichloroarsine, ClCH:CHAsCl2.
ΘΚΠ
the world > physical sensation > use of drugs and poison > poison > [noun] > poisonous gas
carbonic oxide1802
poison gas1816
cyanogen1823
carbon monoxide1868
sneeze gas1918
sneezing gas1918
Lewisite1921
sternutator1922
blister gas1936
nausea gas1936
Zyklon1939
harassing agent1968
the world > matter > chemistry > organic chemistry > poisons > [noun] > others
oxalic acid1788
nicotine1817
alkarsin1838
tetanine1857
muscarine1869
cinnoline1883
saprine1887
isocyanic acid1891
mescaline1896
toxicodendrol1898
tube curare1898
tulipine1900
fluoroacetamide1909
thalassin1909
yperite1917
protoanemonin1920
Lewisite1921
organochloride1966
1921 A. A. Fries & C. J. West Chem. Warfare ii. 23 One of the most interesting and valuable of the compounds which would have found extensive use had the War continued, is an arsenic compound called Lewisite.
1923 R. F. Horton Mystical Quest Christ xxi. 223 A new poison gas, called by the barbarous name Lewisite, is of such potency that, released over London by twenty or thirty aeroplanes, it would asphyxiate the whole population in three or four hours.
1937 A. Huxley Ends & Means xii. 216 In 1937 the ‘instrument of God for the protection of the people’ was all the armaments existing in 1914..plus arsenic smokes, plus Lewisite.
1938 Times 12 Jan. 11/6 There are probably millions of people..who do not realize..that the much discussed lewisite can be dealt with by a scrubbing brush and soap, if treated quickly.
1943 Hospital Corps Q. (Washington, D.C.) XVI. 140 Persons required to enter areas specifically known to be contaminated with lewisite should apply BAL ointment sparingly to unprotected parts of the body.
1970 Amer. Rev. Respiratory Dis. CII. 173 Almost one half of the men who had been exposed repeatedly to mustard gas or lewisite before 1945 had a persistent productive cough.
This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2022).
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