1. Painful menstruation that is caused by some specific disorder (as endometriosis)

Type of: dysmenorrhea

• order-Chenopodiales
• ordered
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• orderliness
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• orderly sergeant
• ordinal
• ordinal number
• ordinance
• ordinand
• ordinarily
• ordinariness
• ordinary
• ordinary annuity
• ordinary bicycle
• ordinary care
• ordinary life insurance
• ordinary seaman
• ordinary shares
• ordinate
• ordination
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• ordnance store