a learned borrowing from Latin meaning “killer,” “act of killing,” used in the formation of compound words: pesticide, homicide.
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English Affixes From A To Z: A One-Stop List Of Suffixes, Prefixes, and Combining FormsIn English, we love to make new words by adding all sorts of bits to the front and back of existing terms. These are called affixes, and they are added to the base or stem of a word. When attached to the end of word, the affix is called a suffix. And to the beginning? A prefix.
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-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.