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Noun: diestrum
  1. (of animals having several estrous cycles in one breeding season) a state or interval of sexual inactivity or quiescence between periods of activity
    - diestrus [N. Amer], dioestrus [Brit, Cdn]

Derived forms: diestrums

Type of: anestrum, anestrus, anoestrum, anoestrus

Encyclopedia: Diestrum