5 letters · 7 points in Scrabble
noun the first known nerve agent, synthesized by German chemists in 1936; a highly toxic combustible liquid that is soluble in organic solvents and is used as a nerve gas in chemical warfare
originEtymology tree Arabic طَابُون (ṭābūn)bor. English tabun Borrowed from Arabic طَابُون (ṭābūn).
Etymology from Wiktionary, CC BY-SA 3.0