Estrus meaning

ĕstrəs
The periodic state of sexual excitement in the female of most mammals, excluding humans, that immediately precedes ovulation and during which the female is most receptive to mating; heat.
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The periodic sexual excitement of most female placental mammals, corresponding to rut in males; heat.
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Estrus is defined as the period of sexual heat in a female.

An example of estrus is the period of time when a female animal is looking for a sexual mate.

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The period of this when the female will accept mating with the male, characterized by changes in the sex organs.
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The periodic state of sexual excitement in the female of most mammals, excluding humans, that immediately precedes ovulation and during which the female is most receptive to mating; heat.
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A regularly recurring period in female mammals other than humans during which the animal is sexually receptive. Estrus occurs around the time of ovulation.
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(American) Alternative spelling of oestrus.
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Origin of estrus

  • New Latin from Latin oestrus frenzy, gadfly from Greek oistros eis- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition