( a. )
Of, pertaining to, or designating, any one of those compounds in which nitrogen has a relatively lower valence as contrasted with nitric compounds.
( a. )
Of, pertaining to, or designating, any one of those compounds in which nitrogen has a relatively lower valence as contrasted with nitric compounds.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012