synonym
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synonym
1. a word or phrase used as another name for something, such as Hellene for a Greek
2. Biology a taxonomic name that has been superseded or rejected
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
synonym
[′sin·ə‚nim] (systematics)
A taxonomic name that is rejected as being incorrectly applied, or incorrect in form, or not representative of a natural genetic grouping.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.