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binomial

bi·no·mi·al [ bī nṓmee əl ]


noun  (plural bi·no·mi·als)
Definition:
 
1. mathematics expression with two terms: a mathematical expression made up of two terms linked by a plus or minus sign

2. biology two-part name of organism: a pair of Latin or Latinized words forming a scientific name in the classification of plants, animals, and microorganisms. The first word represents the genus and the second the species.



adjective 
Definition:
 
1. biology having two names: relating to or consisting of the two Latin or Latinized parts of a scientific name in the classification of plants, animals, and microorganisms

2. mathematics having two mathematical terms: relating to or consisting of the two terms of a mathematical expression linked by a plus or minus sign

[Mid-16th century. < modern Latin binomius< Latin bi- "two" + Greek nomos "part"]

bi·no·mi·al·ly adverb
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