menarche menarche

Definition(s):

  • (n) the first occurrence of menstruation in a woman

Usage(s):

  1. While there are some indications that the awkwardness is starting to fade menarche, or a girl's first period, has been cropping up in movies (including last year's Towelhead .
  2. The average age of menarche, or first menstruation, had already fallen dramatically (from 17 to about 13) between the middle of the 19th century to the middle of the 20th--mostly .
  3. The average age of menarche, or first menstruation, had already fallen dramatically (from 17 to about 13) between the middle of the 19th century to the middle of the 20thmostly .
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effusion effusion
/ɪ ˈfju ʒən/