Definition
二元 is a technical term meaning 'two-element' or 'binary', used across mathematics, chemistry, and linguistics. In mathematics it refers to duality or two-place relations (e.g., 二元一次方程 'linear equation in two variables'); in chemistry it describes binary compounds (二元化合物); in linguistics it denotes bivalence (二元性).
n.
(mathematics) dualitytwo-place (as in 二元关系 'binary relation')(chemistry) binary (as in 二元化合物 'binary compound')(linguistics) bivalence (as in 二元性 'bivalence')
Examples
- 二元。Zhège fāngchéng shì èr yuán yí cì fāngchéng.This equation is a linear equation in two variables.
- 二元。Shuǐ shì yì zhǒng èr yuán huàhéwù.Water is a binary compound.
- 二元。Zhège luóji xìtǒng jùyǒu èr yuán xìng.This logical system has bivalence.
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