HYPOMAGNESAEMIA Meaning of HYPOMAGNESAEMIA in English [ ˌhʌɪpə(ʊ)ˌmagnɪ'zi:mɪə ]( US hypomagnesemia ) ■ noun Medicine deficiency of magnesium in the blood.Derivativeshypomagnesaemic adjective Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004