Menstruation

Pronunciation

• IPA: /ËŒmÉ›nstruˈeɪʃən/, /ËŒmÉ›nˈstreɪʃən/ the latter pronunciation leading to the spelling menstration
• Rhymes: -eɪʃən

Alternative forms

• menstration nonstandard, possibly proscribed

Origin

menstrual + -ation

Full definition of menstruation

Noun

1. The periodic discharging of the menses, the flow of blood and cells from the lining of the uterus in females of humans and other primates.

Synonyms

• catamenia

Related terms

• menstrual
• menstrual cycle
• menstruous