conjugate base

noun

Any compound, of general formula Xⁿ⁺, which can be transformed into a conjugate acid HX⁽ⁿ⁺¹⁾⁺ by the gain of a proton.

“Examples Cl⁻ → HCl HSO₄⁻ → H₂SO₄ NH₃ → NH₄⁺”

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Meanings

nounconjugate base (plural conjugate bases)

plural conjugate bases

  1. chemistryAny compound, of general formula Xⁿ⁺, which can be transformed into a conjugate acid HX⁽ⁿ⁺¹⁾⁺ by the gain of a proton.

    Examples Cl⁻ → HCl HSO₄⁻ → H₂SO₄ NH₃ → NH₄⁺

    1. chemistrySuch a base with enough basic activity to participate in its own equilibrium.
Cite this entry
APA

conjugate base. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/conjugate%20base

MLA

“conjugate base.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/conjugate%20base. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “conjugate base,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/conjugate%20base.

Source: conjugate base on Wiktionary, CC BY-SA 4.0.