binomial

Relating to or consisting of two terms or names; used primarily in mathematics and biology (e.g., binomial nomenclature).

• 🇨🇳指与两个项或两个名称相关的，或由两个项或两个名称组成的；主要用于数学和生物学（如二名法）。

1. Two-term expression C1 formal scientific

   Relating to or consisting of two terms, especially in mathematics.

   • A binomial expression is a polynomial with exactly two terms.
   • The binomial theorem provides a formula for expanding powers of a binomial.
   • Students learn to factor binomial expressions in algebra.

   🇨🇳二项的

2. Two-name classification C1 formal scientific

   Relating to a system of naming organisms using two terms, typically the genus and species.

   • The binomial nomenclature system was developed by Carl Linnaeus.
   • Homo sapiens is the binomial name for humans.
   • Each species has a unique binomial designation in taxonomy.

   🇨🇳双名法的

   同义词: binarybinominal

• more binomial comparative form
• most binomial superlative form

A noun referring to a mathematical expression consisting of two terms, or a taxonomic name consisting of two parts, typically the genus and species.

• 🇨🇳名词，指由两项组成的数学表达式，或由两部分（通常为属名和种名）组成的分类学名称。

1. Mathematical expression B2 formal scientific

   A polynomial consisting of exactly two terms, typically connected by a plus or minus sign.

   • The expression (x + y) is a simple binomial.
   • In algebra, students learn to expand binomials using the binomial theorem.
   • The sum of two monomials forms a binomial.

   🇨🇳二项式

2. Taxonomic name B2 formal scientific

   A two-part scientific name for a species, consisting of the genus name and the species name.

   • The binomial for humans is Homo sapiens.
   • Every known species has a unique binomial designation.
   • Taxonomists use binomial nomenclature to classify organisms.

   🇨🇳双名法名称

• binomials plural form
• binomials' possessive plural form
• binomial's possessive singular form