-cide

(redirected from -cidal)
Also found in: Medical.

-cide

suff.
1. Killer: bactericide.
2. Act of killing: ecocide.

[Middle English, from Old French (from Latin -cīda, killer) and from Latin -cīdium, killing, both from caedere, to strike, kill; see kaə-id- in Indo-European roots.]

-cide

n combining form
1. indicating a person or thing that kills: insecticide.
2. (Law) indicating a killing; murder: homicide.
[from Latin -cīda (agent), -cīdium (act), from caedere to kill]
-cidal adj combining form

-cide

a combining form meaning “a person or thing that kills” or “the act of killing” that specified by the initial element: homicide; pesticide.
[late Middle English < Latin -cīda killer <caedere to cut down, kill]

-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.
References in periodicals archive ?
The oocysts, after the initial exposure to herbal extracts, were washed clean and reincubated to establish whether any inhibition of sporulation was a true -cidal (lethal) effect rather than a reversible -stasis (growth).
Nitrofurantoin may be either bacterio-static or -cidal in action, depending on the concentration and susceptibility of the infecting organism, and exerts its effects by inhibiting DNA, RNA, protein and cell wall synthesis.