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Definition of -cide in English:

-cide

Pronunciation /sʌɪd/

  • 1Denoting a person or substance that kills.

    ‘insecticide’
    • ‘regicide’

  • 2Denoting an act of killing.

    ‘suicide’
    • ‘homicide’

Origin

Via French; -cide (sense 1) from Latin -cida; -cide (sense 2) from Latin -cidium, both from caedere ‘kill’.