hypophosphorous

[ hahy-puh-fos-fer-uh s, -fos-fawr-uh s, -fohr- ]
/ ˌhaɪ pəˈfɒs fər əs, -fɒsˈfɔr əs, -ˈfoʊr- /

adjective

of or derived from hypophosphorous acid.

Origin of hypophosphorous

First recorded in 1810–20; hypo- + phosphorous

Example sentences from the Web for hypophosphorous