Medical Definition of Pleonasm
Pleonasm: An excess in the number of parts or in the size of a growth. Pleonasm comes from a Greek word (pleonasmos) meaning exaggeration or redundancy.
A pleonasm in language is also a redundancy. It is the use of more words than those necessary to denote mere sense as, for example, in "a false lie."
Last Editorial Review: 7/1/2016
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