insecticide

[ in-sek-tuh-sahyd ]
/ ɪnˈsɛk təˌsaɪd /

noun

a substance or preparation used for killing insects.
the act of killing insects.

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of insecticide

First recorded in 1860–65; insect + -i- + -cide

OTHER WORDS FROM insecticide

in·sec·ti·cid·al, adjectivenon·in·sec·ti·cid·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for insecticide

British Dictionary definitions for insecticide

insecticide
/ (ɪnˈsɛktɪˌsaɪd) /

noun

a substance used to destroy insect pests

Derived forms of insecticide

insecticidal, adjective
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

Medical definitions for insecticide

insecticide
[ ĭn-sĕktĭ-sīd′ ]

n.

A chemical substance that kills insects.

Other words from insecticide

in•sec′ti•cidal (-sīdl) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for insecticide

insecticide
[ ĭn-sĕktĭ-sīd′ ]

A pesticide used to kill insects. Chlordane and DDT are insecticides. Compare fungicide herbicide rodenticide.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.