hypophosphorous acid
noun
hy·po·phos·pho·rous acid
| \ -ˌfäs-f(ə-)rəs-; -fäs-ˌfōr-əs-
, -ˌfȯr-
\
, -ˌfȯr-
\
Medical Definition of hypophosphorous acid
: a low-melting deliquescent crystalline strong monobasic acid H3PO2 usually obtained by acidifying one of its salts and used as a reducing agent