oestrous

American  

[es-truhs, ee-struhs] / ˈɛs trəs, ˈi strəs /

adjective

Zoology.

1. Chiefly British. a variant of estrous.

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Etymology

Origin of oestrous

First recorded in 1895–1900; oestr(us) + -ous

Example Sentences

Sure enough, when a territorial male smelled the oestrous female, he sniffed the source for a long time and then apparently went to track her down.

From Washington Post

A third fear, which I do think is justified, is that reviewers might ask scientists to repeat all their studies in every phase of the oestrous cycle.

From Nature

Both when the hormone was withheld and when the cells were silenced, the females lost interest in mating during oestrous, which is when female mice are sexually active.

From BBC

Typically, reasons for male focus in animal-model selection centre on concerns about confounding contributions from the oestrous cycle.

From Nature

During the rutt, wildebeest defend marked-out territorial patches, the aim being to get oestrous females to stay in their company.

From Scientific American