Noun: menstruum (menstruums,menstrua) men-stroo-um
- The monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
"the women were sickly and subject to excessive menstruum";
- menstruation, menses, catamenia, period, flow
- [archaic] A solvent
"The chemist used ethanol as a menstruum to dissolve the compound"
Derived forms: menstrua, menstruums
Type of: discharge, dissolvent, dissolver, dissolving agent, emission, resolvent, solvent
Encyclopedia: Menstruum