Definitions
from The American Heritage® Dictionary of the English Language, 4th Edition
 adj. Consisting of or relating to two names or terms.
 n. Mathematics A polynomial with two terms.
 n. Biology A taxonomic name in binomial nomenclature.
from Wiktionary, Creative Commons Attribution/ShareAlike License
 adj. Consisting of two terms, or parts.
 n. A polynomial with two terms.
 n. A quantity expressed as the sum or difference of two terms.
 n. A scientific name at the rank of species, with two terms: a generic name and a specific name.
from the GNU version of the Collaborative International Dictionary of English
 n. An expression consisting of two terms connected by the sign plus (+) or minus (); as, a + b, or 7  3.
 adj. Consisting of two terms; pertaining to binomials.
 adj. Having two names;  used of the system by which every animal and plant receives two names, the one indicating the genus, the other the species, to which it belongs.
from The Century Dictionary and Cyclopedia
 In algebra, consisting of two terms connected by the sign + or —; pertaining to binomials.
 In zoology and botany: Using or having two names: applied to the system of nomenclature introduced by Linnæus, in which every plant and animal receives two names, one indicating the genus, the other the species: as, Felis leo, the lion; Bellis perennis, the daisy.
 Hence— Consisting of two names: as, binomial terms. Also binominal.
 n. In algebra, an expression or quantity consisting of two terms connected by the sign + or —, denoting the sum or the difference of the two terms: as, a + b, 3a—2c, a + b, x—2 √ y.
 n. In zoology and botany, a name consisting of two terms, generic and specific, as the proper name of a species, the generic always preceding the specific word: as, Felis leo, the lion.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
 adj. of or relating to or consisting of two terms
 adj. having or characterized by two names, especially those of genus and species in taxonomies
 n. (mathematics) a quantity expressed as a sum or difference of two terms; a polynomial with two terms
Etymologies
Examples

But, over nearly three centuries, the classification system used to organize much of our biological knowledge has remained remarkably arbitrary and ancient: The socalled binomial system of genus and species that Linse and thousands of other biologists use today was first proposed by a Swedish biologist born 300 years ago Wednesday, Carolus Linnaeus.

There is in fact a probability distribution, known as the binomial distribution, of how many times the number 1 shows up.

He also developed a way to name plants called binomial nomenclature (bi NOH mee ul · NOH mun klay chur).

Slide 12: Binomial Coefficients Combinations are also called binomial coefficients because they appear as coefficients in the expansion of the binomial power (x+y) n

The controversial "binomial" electoral system that guarantees congressional seats for the political right remains in place.

According to this "binomial" nomenclature each plant or animal received a generic and a specific name, as, for instance,

· Fixed gamma () and derivative functions such as binomial () returning wrong results at integer inputs being divisible by a large power of 2.

The presentation then went through the "binomial" break apart strategy that's supposed to be teaching kids "algebraic principles in 4th grade", the "change it and make it easier problem" using 98 x 15 as an example (ok change it to 100×15  2×15 = 1500  30 = 1470).

While structures such as binomial heaps and redblack trees are presented, it is assumed that the reader already knows and understands them.

Before Linnaeus '"binomial" scheme, the names of particular species were often strings of descriptive Latin terms that grew to such lengths as this: Convolvulus foliis palmatis cordatis sericeis: lobis repandis, pedunculis bifloris.
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