noun (plural -struums or menstrua) Etymology: Medieval Latin, literally, menses, alteration of Latin menstrua Date: 1559 a substance that dissolves a solid or holds it in suspension ; solvent
MENSTRUUM
Meaning of MENSTRUUM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012