adamsiten.1
/ˈadəmzʌɪt/, U.S. /ˈædəmˌzaɪt/ Mineralogy. Now rare.
A greenish-black mica found in Vermont, now regarded as a variety of common mica (muscovite).
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the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > mica > muscovite > varieties
talcite1836
fuchsite1844
sericite1853
oncosine1854
adamsite1859
oellacherite1867
mariposite1868
gümbelite1871
hydro-muscovite1889
1859 C. U. Shepard Let. 22 Oct. in E. Hitchcock et al. Rep. Geol. Vermont (1861) I. 484 It appears to constitute a new Natural History species, which..I should be pleased to call Adamsite, after our lamented associate Prof. C. B. Adams, who was also the first State Geologist of Vermont.
1861 Proc. 14th Meeting Amer. Assoc. Advancem. Sci. 113 One kind that we noticed was a soft micaceous schist, having scattered through it small shining crystals of a micaceous mineral resembling adamsite.
1930 Rep. State Geologist Minerals Industries & Geol. Vermont, 1929–1930 17 166 Even if adamsite is a good species, which seems very doubtful, it is yet more doubtful if any such mineral can now be found.
This entry has been updated (OED Third Edition, December 2011; most recently modified version published online March 2022).
adamsiten.2
/ˈadəmzʌɪt/, U.S. /ˈædəmˌzaɪt/ Chemistry.
An organic arsenic compound which induces vomiting and is irritating to the eyes and lungs, used in the form of an aerosol in chemical warfare, riot control, etc.; also called DM (diphenylaminechlorasine).Adamsite is a tricyclic compound. Systematic name: dibenzo-1-chloro-1,4-arsenine; C12H9AsClN.
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society > armed hostility > military equipment > weapon > fire, radiation, or chemical weapons > [noun] > chemical weapon(s)
chemical agent1728
chemical weapon1912
adamsite1919
Chemical Mace1966
1919 F. M. Turner Condensed Chem. Dict. Adamsite, a military poison gas developed and used by the U.S. Navy during the late war.
1937 A. M. Prentiss Chemicals in War iii. xiii. 275 Adamsite (DM), used for cloud attack primarily against an enemy's forward elements to cause temporary casualties.
1961 Guardian 17 Mar. 1/7 A gas called Adamsite..similar but superior to the German gases..intended to make troops vomit and to tear off gas masks.
2010 R. Turkington Chemicals used Illegal Purposes v. 349 Although adamsite is irritating to the skin and eyes, it is relatively nontoxic to these organs.
This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).
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