<prompt> Answer this question truthfullyWhat is the biological explanation for climacteric?  <response>: <reason> In current practice, climacteric is most often a synonym for female menopause. However, in Princeton Universitys online dictionary, Climacteric is defined as: 1. n climacteric a period in a mans life corresponding to menopause2. n menopause, climacteric, change of life the time in a womans life in which the menstrual cycle endsThe term is used for both genders by The International Menopause Society, which defines itself as The society for the study of all aspects of the climacteric in men and women. 