Definition of H2SO3. Meaning of H2SO3. Synonyms of H2SO3
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Definition of H2SO3
H2SO3 Sulphurous Sul"phur*ous, a. [L. sulphurosus, sulfurosus: cf.
F. sulfureux.]
1. Of or pertaining to sulphur.
2. (Chem.)
(a) Derived from, or containing, sulphur; specifically,
designating those compounds in which the element has a
lower valence as contrasted with the sulphuric
compounds.
(b) Having the characteristic odor of sulphur dioxide, or
of hydrogen sulphide, or of other sulphur compounds.
Sulphurous acid.
(a) Sulphur dioxide. See under Sulphur. [Obs.]
(b) An acid, H2SO3, not known in the free state except
as a solution of sulphur dioxide in water, but forming
a well-known series of salts (the sulphites).
Sulphurous anhydride (Chem.), sulphur dioxide. See under
Sulphur.
