one-fifth

from WordNet (r) 3.0 (2006)
one-fifth
    n 1: one part in five equal parts [syn: {one-fifth}, {fifth},
         {fifth part}, {twenty percent}]
from The Collaborative International Dictionary of English v.0.48
one-fifth \one-fifth\ n.
   A fifth part.

   Syn: fifth, fifth part, twenty percent.
        [WordNet 1.5]
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