"driblet" in the noun sense
1. drop, drib, driblet
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"
Source: WordNet® (An amazing lexical database of English)
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