Jisho

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Noun
1. synonymLinguistics, See also 同義語, See also アントニム
Noun
2. synonymBiology, See also 異名
Wikipedia definition
3. Synonym (taxonomy)In scientific nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name, although zoologists use the term somewhat differently. For example, Linnaeus was the first to give a scientific name (under the currently used system of scientific nomenclature) to the Norway spruce, which he called Pinus abies. This name is no longer in use: it is now a synonym of the current scientific name which is Picea abies.
Read “Synonym (taxonomy)” on English Wikipedia
Read “シノニム” on Japanese Wikipedia
Read “Synonym (taxonomy)” on DBpedia

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