menarche
noun
the first menstrual period; the establishment of menstruation.
menarcheal
-
a word derived from
menarche.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Skeletal growth, fatness, and menarcheal age: a comparison of two hypotheses.
From Scientific American ● Nov. 17, 2012
