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Webster 1913 Edition

Adj.

[Pref.

hypo-

sulphuric

(Chem.)

Pertaining to, or containing, sulphur in a lower state of oxidation than in the sulphuric compounds;

as,

hyposulphuric

acid

Hyposulphuric acid

an acid,

H2S2O6

, obtained by the action of manganese dioxide on sulphur dioxide, and known only in a watery solution and in its salts; – called also

dithionic acid

. See

Adj.

Hyposulphuric acid, is an acid combination of sulphur and oxygen, intermediate between sulphurous and sulphuric acid.

hyposulphuric ‎(not comparable)