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trinomial

 - 5 dictionary results

tri⋅no⋅mi⋅al

  [trahy-noh-mee-uhl]
Use trinomial in a Sentence
–adjective
1. Algebra. consisting of or pertaining to three terms.
2. Biology.
a. pertaining to a scientific name comprising three terms, as of genus, species, and subspecies or variety.
b. characterized by the use of such names.
–noun
3. Algebra. an expression that is a sum or difference of three terms, as 3x + 2y + z or 3x3 + 2x2 + x.
4. Biology. a trinomial name, as Rosa gallica pumila.
Origin:
1665–75; tri- + (bi)nomial

Related forms:
tri⋅no⋅mi⋅al⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To trinomial
tri·no·mi·al   (trī-nō'mē-əl)   
adj.  

  1. Consisting of three names or terms, as a taxonomic designation.

  2. Mathematics Consisting of three terms.

n.  

  1. A three-part taxonomic designation indicating genus, species, and subspecies or variety, such as Brassica oleracea botrytis, the cauliflower.

  2. Mathematics An algebraic expression consisting of three terms connected by plus or minus signs.


[tri- + (bi)nomial.]
tri·no'mi·al·ism n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Medical Dictionary

Main Entry: 1tri·no·mi·al
Pronunciation: trI-'nO-mE-&l
Function: noun
: a trinomial name

Main Entry: 2trinomial
Function: adjective
1 : being a name belonging to botanical or zoological nomenclature composed of a first term designating thegenus, a second term designating the species, and a third term designating the subspecies or variety to which an organism belongs
2 : of or relating to trinomials<trinomial nomenclature>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Science Dictionary
trinomial   (trī-nō'mē-əl)  Pronunciation Key 

  1. A mathematical expression that is the sum of three monomials, such as ax2 + bx - c.

  2. A taxonomic designation indicating genus, species, and subspecies or variety, as in Brassica oleracea botrytis, the cauliflower.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
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