TEPP(redirected from Tetraethylpyrophosphate)
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A crystalline organophosphorus compound, C8H20O7P2, that inhibits the action of acetylcholinesterase and is used as an insecticide.
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.