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bell

bell  

Reference type:
Overview Page
Subject:
Music
1 This popular and ubiquitous mus. instr. varies in weight from over 100 tons to a fraction of an ounce. For public bells the most usual bell metal is a bronze of 13 parts copper to 4 parts tin: the ...
menstruation

menstruation  

(menses) n. the discharge of blood and of fragments of endometrium from the vagina at intervals of about one month in women of child-bearing age (see menarche, menopause). Menstruation is that stage ...

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