a learned borrowing from Latin meaning “killer,” “act of killing,” used in the formation of compound words: pesticide, homicide.
Words nearby -cide
Origin of -cide
late Middle English < Latin -cīda killer, -cīdium act of killing, derivatives of caedere to cut down, kill (in compounds -cīdere)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for -cide
n combining form
indicating a person or thing that killsinsecticide
indicating a killing; murderhomicide
Derived forms of -cide-cidal, adj combining form
Word Origin for -cide
from Latin -cīda (agent), -cīdium (act), from caedere to kill
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
Medicine definitions for -cide
Act of killing:suicide.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for -cide
A suffix that means a killer of. It is used to form the names of chemicals that kill a specified organism, such as pesticide, a chemical that kills pests.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.