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

Dictionary Entries Near premenstruum

Cite this Entry

“Premenstruum.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/premenstruum. Accessed 18 Jun. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!