pinprick

 
Pronunciation: /ˈpɪnprɪk/

noun

  • 1a prick caused by a pin: for the blood to be poisoned it takes only a pinprick
  • a minor annoyance or irritation: compared with the indignities he had so far endured, this was a mere pinprick
  • 2a very small dot or amount: the stars were pinpricks of light