[ loo-uh-sahyt ]
/ ˈlu əˌsaɪt /
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a pale yellow, odorless compound, C2H2AsCl3, used as a blister gas in World War I.
QUIZ YOURSELF ON PARENTHESES AND BRACKETS APLENTY!
Set some time apart to test your bracket symbol knowledge, and see if you can keep your parentheses, squares, curlies, and angles all straight!
Question 1 of 7
Let’s start with some etymology: What are the origins of the typographical word “bracket”?
First appeared around 1750, and is related to the French word “braguette” for the name of codpiece armor.
First appeared in 1610, based on the French word “baguette” for the long loaf of bread.
First appeared in 1555, and is related to the French word “raquette” for a netted bat.TAKE THE QUIZ TO FIND OUT
Origin of lewisite
1920–25; named after Winford Lee Lewis (1878–1943), American chemist who developed it; see -ite1
Words nearby lewisite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for lewisite
It contains a specimen of the deadliest poison ever known, 'Lewisite,' the product of an American scientist.
That fellow would get us with his Lewisite gas before we could discover and destroy him.
British Dictionary definitions for lewisite
/ (ˈluːɪˌsaɪt) /
a colourless oily poisonous liquid with an odour resembling that of geraniums, having a powerful vesicant action and used as a war gas; 1-chloro-2-dichloroarsinoethene. Formula: ClCH:CHAsCl 2
Word Origin for lewisite
C20: named after W. L. Lewis (1878–1943), US chemist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012