trinomial

[ trahy-noh-mee-uhl ]

/ traɪˈnoʊ mi əl /

adjective

Algebra. consisting of or pertaining to three terms.

Biology.

pertaining to a scientific name comprising three terms, as of genus, species, and subspecies or variety.
characterized by the use of such names.

noun

Algebra. an expression that is a sum or difference of three terms, as 3x + 2y + z or 3x3 + 2x2 + x.

Biology. a trinomial name, as Rosa gallica pumila.

Origin of trinomial

First recorded in 1665–75; tri- + (bi)nomial

OTHER WORDS FROM trinomial

tri·no·mi·al·ly, adverb

Words nearby trinomial

trinket, trinketer, trinketry, trinocular, trinodal, trinomial, trinucleotide, trio, triode, trioecious, triol

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for trinomial

Duellman used the trinomial for this population and named a new subspecies, pallidus, from Nayarit.
A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope|John D. Lynch
A trinomial in algebra is a quantity consisting of three terms.
Orthography|Elmer W. Cavins
The trinomial is used whenever subspecific identities could be made with a reasonable degree of certainty.
Summer Birds From the Yucatan Peninsula|Erwin E. Klaas
I have sometimes loosely speculated on what nomenclature would come to, and concluded that it would be trinomial.
More Letters of Charles Darwin|Charles Darwin

British Dictionary definitions for trinomial

trinomial

/ (traɪˈnəʊmɪəl) /

adjective

maths consisting of or relating to three terms

biology denoting or relating to the three-part name of an organism that incorporates its genus, species, and subspecies

noun

maths a polynomial consisting of three terms, such as ax ² + bx + c

biology the third word in the trinomial name of an organism, which distinguishes between subspecies

Derived forms of trinomial

trinomially, adverb

Word Origin for trinomial

C18: tri- + -nomial on the model of binomial

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for trinomial

trinomial

[ trī-nō′mē-əl ]

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

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

单词	trinomial
释义	trinomial [ trahy-noh-mee-uhl ] / traɪˈnoʊ mi əl / adjective Algebra. consisting of or pertaining to three terms. Biology. pertaining to a scientific name comprising three terms, as of genus, species, and subspecies or variety. characterized by the use of such names. noun Algebra. an expression that is a sum or difference of three terms, as 3x + 2y + z or 3x3 + 2x2 + x. Biology. a trinomial name, as Rosa gallica pumila. Origin of trinomial First recorded in 1665–75; tri- + (bi)nomial OTHER WORDS FROM trinomial tri·no·mi·al·ly, adverb Words nearby trinomial trinket, trinketer, trinketry, trinocular, trinodal, trinomial, trinucleotide, trio, triode, trioecious, triol Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for trinomial Duellman used the trinomial for this population and named a new subspecies, pallidus, from Nayarit. A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope\|John D. Lynch A trinomial in algebra is a quantity consisting of three terms. Orthography\|Elmer W. Cavins The trinomial is used whenever subspecific identities could be made with a reasonable degree of certainty. Summer Birds From the Yucatan Peninsula\|Erwin E. Klaas I have sometimes loosely speculated on what nomenclature would come to, and concluded that it would be trinomial. More Letters of Charles Darwin\|Charles Darwin British Dictionary definitions for trinomial trinomial / (traɪˈnəʊmɪəl) / adjective maths consisting of or relating to three terms biology denoting or relating to the three-part name of an organism that incorporates its genus, species, and subspecies noun maths a polynomial consisting of three terms, such as ax ² + bx + c biology the third word in the trinomial name of an organism, which distinguishes between subspecies Derived forms of trinomial trinomially, adverb Word Origin for trinomial C18: tri- + -nomial on the model of binomial Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for trinomial trinomial [ trī-nō′mē-əl ] A mathematical expression that is the sum of three monomials, such as ax2 + bx - c. A taxonomic designation indicating genus, species, and subspecies or variety, as in Brassica oleracea botrytis, the cauliflower. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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