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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."

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=9832
Last Editorial Review: 6/14/2012

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