The definition of cide is a killer or a killing.
An example of cide used as a suffix is fungicide, which is a substance that kills fungus or spores.
- a killer: pesticide
- a killing: genocide
Origin of -cidefrom French or L; French -cide from Classical Latin -cida from caedere, to cut down, kill from Indo-European base an unverified form (s)k(h)ai-, to strike from source Middle Dutch heien
- Killer: bactericide.
- Act of killing: ecocide.
Origin of -cideMiddle 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.
- Used to make nouns meaning the killing of the person or thing indicated by the first component of the word. (This applies to all of the derived terms listed below.)
- Used to make nouns meaning a killer of the person or thing indicated by the first component of the word. (This applies to some, but not all, of the derived terms listed below.)