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Webster 1913 Edition
Manganous
Man′ga-nous
,Adj.
(Chem.)
Of, pertaining to, designating, those compounds of manganese in which the element has a lower valence as contrasted with
manganic
compounds; as,
. manganous
oxideManganous acid
, a hypothetical compound analogous to sulphurous acid, and forming the so-called manganites.