Definition of Insecticide:
A substance or agent used to kill insects and other arthropods [Houghton-Mifflin2007] (spiders, arachnids, etc) [ORWJr].
Insecticide
Dr. Weyrich's Naturopathic Functional Medicine Notebook
A substance or agent used to kill insects and other arthropods [Houghton-Mifflin2007] (spiders, arachnids, etc) [ORWJr].
[Houghton-Mifflin2007] The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Retrieved June 5 2016 from http://medical-dictionary.thefreedictionary.com/insecticide.