Phosphite

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    any salt or ester of phosphorous acid
  2. 2
    the anion PO₃³⁻, or the trivalent radical PO₃

Etymology

From phosphorous + -ite.

Related phrases

phosphite esterphosphorous acid

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.