Sulphion

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A hypothetical radical, SO₄, regarded as forming the acid or negative constituent of sulphuric acid and the sulphates in electrolytic decomposition. obsolete

Etymology

From sulpho- + ion.

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