nounWord forms: plural-struums or -strua (-strʊə) obsolete
1.
a solvent, esp one used in the preparation of a drug
2.
a solid formulation of a drug
Word origin
C17 (meaning: solvent), C14 (menstrual discharge): from Medieval Latin, from Latinmēnstruus monthly, from mēnsis month; from an alchemical comparison between a base metal being transmuted into goldand the supposed action of the menses