Dictionary

synonymy

synonymy

noun syn·on·y·my \-mē\
plural syn·on·y·mies

Definition of SYNONYMY

1
a :  a list or collection of synonyms often defined and discriminated from each other
b :  the study or discrimination of synonyms
2
:  the scientific names that have been used to designate the same taxonomic group (as a species); also :  a list of these
3
:  the quality or state of being synonymous

First Known Use of SYNONYMY

1683

synonymy

noun syn·on·y·my \-mē\   (Medical Dictionary)
plural syn·on·y·mies

Medical Definition of SYNONYMY

:  the scientific names that have been used in different publications to designate a taxonomic group (as a species); also :  a list of these

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