adj, sim*pler , sim*plest 1 : free from complexity or difficulty: as a : easily treated or cured <a vitamin deficiency> b : controlled by a single gene < inherited characters> 2 : of, relating to, or being an epithelium in which the cells are arranged in a single layer
n 1 : a medicinal plant 2 : a vegetable drug having only one ingredient .
Similar sounding terms: sam·ple
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