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Related to demeton: Demeton-S-methyl
Either of two isomeric pale-yellow toxic organophosphorous liquids, C8H19O3PS2 or C8H19O3PS2, used as systemic insecticides.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a toxic organic chemical compound with formula C6H15O3PS2, primarily used as an insecticide
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014