Bible Dictionaries
Phosphorous

Webster's Dictionary

(a.) Of or pertaining to phosphorus; resembling or containing phosphorus; specifically, designating those compounds in which phosphorus has a lower valence as contrasted with phosphoric compounds; as, phosphorous acid, H3PO3.

Bibliography Information
Webster, Noah. Entry for 'Phosphorous'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/phosphorous.html. 1828.