tri·no·mi·al
trī-ˈnō-mē-əl 
1
: a polynomial of three terms
2
: a biological taxonomic name of three terms of which the first designates the genus, the second the species, and the third the subspecies or variety
1
: consisting of three mathematical terms
2
: of, relating to, or being a biological trinomial
Examples of trinomial in a Sentence
Recent Examples on the Web
Rosanna Xia, latimes.com, 30 June 2017
Noun
How necessary is intermediate algebra, a high school-level course on factoring trinomials, graphing exponential functions and memorizing formulas that most non-math or science students will rarely use in everyday life or for the rest of college?
—Rosanna Xia, latimes.com, 30 June 2017
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'trinomial.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near trinomial
Cite this Entry
“Trinomial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trinomial. Accessed 20 Apr. 2024.
Copy CitationKids Definition
trinomial
1 of 2 noun
tri·no·mi·al
trī-ˈnō-mē-əl
: a polynomial that has three terms
trinomial
2 of 2 adjective
: consisting of three mathematical terms
Medical Definition
trinomial
1 of 2 noun
tri·no·mi·al
trī-ˈnō-mē-əl
: a trinomial name
trinomial
2 of 2 adjective1
: being a name belonging to botanical or zoological nomenclature composed of a first term designating the genus, 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
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