menstruum

noun

men·​stru·​um ˈmen(t)-strü-əm How to pronounce menstruum (audio)
-strəm
plural menstruums or menstrua ˈmen(t)-strü-ə How to pronounce menstruum (audio)
-strə
: a substance that dissolves a solid or holds it in suspension : solvent

Word History

Etymology

Medieval Latin, literally, menses, alteration of Latin menstrua

First Known Use

1559, in the meaning defined above

Time Traveler
The first known use of menstruum was in 1559

Dictionary Entries Near menstruum

Cite this Entry

“Menstruum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/menstruum. Accessed 5 Nov. 2024.

Medical Definition

menstruum

noun
men·​stru·​um ˈmen(t)-strə(-wə)m How to pronounce menstruum (audio)
plural menstruums or menstrua -str(ə-w)ə How to pronounce menstruum (audio)
: a substance that dissolves a solid or holds it in suspension : solvent
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