Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
 adjective Of, relating to, or consisting of more than two names or terms.
 noun A taxonomic designation consisting of more than two terms.
 noun An algebraic expression consisting of one or more summed terms, each term consisting of a constant multiplier and one or more variables raised to integral powers. For example, x^{2} − 5x + 6 and 2p^{3}q + y are polynomials.
 noun An expression of two or more terms.
from The Century Dictionary.
 Containing many names or terms.
 In Zoöl. and botany, Specifically, noting a method of nomenclature in which the technical names of species are not confined to two terms, the generic and the specific, as they are in the binomial system of nomenclature: as, a polynomial name; a polynomial system of nomenclature: contrasted with binomial and mononomial.
 Also multinomial, plurinominal.
 A technical name consisting of more than two terms; apolyonym.
 An algebraical expression consisting of two or more terms united by addition: as, Also
multinomial .
from the GNU version of the Collaborative International Dictionary of English.
 noun (Alg.) An expression composed of two or more terms, connected by the signs plus or minus; as, a2  2ab + b2.
 adjective Containing many names or terms; multinominal.
 adjective Consisting of two or more words; having names consisting of two or more words
from Wiktionary, Creative Commons Attribution/ShareAlike License.
 adjective algebra Able to be described or limited by a polynomial.
 adjective taxonomy of a polynomial name or entity
 noun algebra An expression consisting of a sum of a finite number of
terms , each term being the product of aconstant coefficient and one or morevariables raised to anonnegative integer power, such as .  noun taxonomy A
taxonomic designation (such as of asubspecies )consisting of more than twoterms .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
 noun a mathematical function that is the sum of a number of terms
 adjective having the character of a polynomial
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/ShareAlike License
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Examples

In the above examples, each piecewise polynomial is defined on an interval with the same length and thus forms a uniform basis.

The idea was to start a pendulum from several different heights in order to cover a range of velocities and then to use simultaneous algebraic equations to fit a two or three term polynomial to two or three lostarc datapoints, changing the exponents until the polynomial achieved good agreement with the other lostarc data points.
Newton's Philosophiae Naturalis Principia Mathematica Smith, George 2007

And there are tons of computational complexity classes above the standard P and NP that represent problems that deterministic and nondeterministic Turing Machines can solve in polynomial time.

This isn't a trivial difference; a model that can solve a problem in polynomial time really is fundamentally more powerful than one that takes exponential time.

In this equation, d is called the polynomial's degree.
DevX: Latest Published Articles Rod Stephens 2010

In this equation, d is called the polynomial's degree.
DevX: Latest Published Articles Rod Stephens 2010

Also, all such calculations are done modulo another polynomial, which is called the irreducible polynomial for the field.
Softpedia  Windows  All Softpedia Linux 2010

We call a polynomial p (x) with integer coefficients irreducible if p (x) cannot be written as a product of two polynomials with integer coefficients neither of which is a constant.
LearnHub Activities 2008

The degree of the polynomial is the degree of the term with highest degree.
Citizendium, the Citizens' Compendium  Recent changes [en] 2008

 Key wireless functions such as polynomial generation and multiply  accumulate for despreading functions (up to 16 complex code MACs/cycle)  High precision FFTs with adaptive range management
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