American Heritage Dictionary
(1)
Century Dictionary
GNU Webster's 1913
WordNet
(1)
Elsewhere on the web
A woman's personal hormonal history -- age of menarche, and menopause, childbearing and breast feeding reflect estrogen exposure can be as important as family history when looking into breast cancer.— The Full Feed from HuffingtonPost.com
Menarche has been looked up 181 times, favorited 0 times, listed 13 times, and commented on 0 times.

American Heritage Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word about once a year.
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