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cli·mac·te·ri·um | \ ˌklī-ˌmak-ˈtir-ē-əm 
\
\ plural climacteria\ -ē-ə \
\Medical Definition of climacterium
: the bodily and mental changes (as in reproductive and endocrine function) occurring during the latter part of middle age specifically : menopause and the bodily and psychological changes that accompany it
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