[hahy-puh-fos-fer-uh s, -fos-fawr-uh s, -fohr-]
of or derived from hypophosphorous acid.
Origin of hypophosphorous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for hypophosphorous
Historical Examples of hypophosphorous
This is freely soluble in hydrochloric and hypophosphorous acids.Cooley's Practical Receipts, Volume II