from the GNU version of the Collaborative International Dictionary of English

  • adj. Pertaining to, or designating, an acid of sulphur obtained by leading hydrogen sulphide into a solution of sulphur dioxide; -- so called because it contains five atoms of sulphur.

from The Century Dictionary and Cyclopedia

  • Noting a rather unstable, colorless acid obtained in solution by the interaction of sulphureted hydrogen and sulphurous acid. Its composition is H2S5O6.


Sorry, no etymologies found.



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