chemical defence

ریشه

The word 'chemical' comes from the French word 'chimique', which is derived from the Medieval Latin 'chimicus', meaning 'of alchemy'. 'Defence' comes from the Old French word 'defens', meaning 'defense'.

مثال

• Skunks use a chemical defence mechanism to ward off predators.
• Some plants release chemical compounds as a form of chemical defence against herbivores.
• The venom of certain snakes is a potent chemical defence against potential threats.