premenstruum

noun

pre·​men·​stru·​um -ˈmen(t)-strə-wəm How to pronounce premenstruum (audio)
plural premenstruums or premenstrua -strə-wə How to pronounce premenstruum (audio)
: the period or physiological state that immediately precedes menstruation

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premenstrual tension
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Cite this Entry

“Premenstruum.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/premenstruum. Accessed 6 May. 2025.

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