urticants

/ˈɜrtɪkənts/
noun
  1. Plural of urticant; substances or agents that cause a stinging or burning sensation on the skin.
    • Some marine animals produce urticants to defend themselves from predators.
    • The gardener wore long sleeves to avoid contact with the urticants in the weeds.
    • The plant's leaves are covered in tiny urticants that release upon touch.
Antonyms
What does "urticants" mean? | whatsthatwordmean | whatsthatwordmean