driblet

Noun

• a small indefinite quantity (especially of a liquid)
  • he had a drop too much to drink
    
  • a drop of each sample was analyzed
    
  • there is not a drop of pity in that man
    
  • years afterward, they would pay the blood-money, driblet by driblet--Kipling
    

Related words

• Synonyms: 
  drop , drib