Top Definition
n. (chemistry) a very small drop of liquid, smaller than a.. "usual drop" that it is only half of a drop. Thing is, how do you cut water in half?...
(Student A carefully drips certain chemical into a solvent as instructed by the teacher during chemistry lab session...)
Student B (furiously): Damn it! Uncle Chem said HALF A DROP! You added A WHOLE DROP!
Student A: ...
Student C: ... how 'you drip half a drop.. it's just a drop if it drops, dude.
Student B: *storms away with palms in pants pockets*
by W.S. Ho November 15, 2011

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