anoestrus
/æˈnɛstrəs/
noun
- A period of sexual inactivity between periods of heat in female mammals.
- Researchers studied the hormonal changes during anoestrus in wild deer.
- The dog's anoestrus lasted through the cold months, as is typical for her breed.
- The farmer noted that the goat was in anoestrus and would not conceive until the next cycle.