The correct spelling of the word "Oestrian" is actually "Austrian." The use of the letter "o" in the original spelling is likely due to a common British English spelling convention. In IPA phonetic transcription, the word is pronounced as /ˈɒstriən/ with the stress on the first syllable. The "o" in the British English spelling is pronounced as the short "o" sound /ɒ/, while the "au" in the correct spelling is pronounced as the diphthong /aʊ/.
Oestrian is a term that refers to something related to or characteristic of the state of being in oestrus or estrus. In zoology, this term is commonly used to describe animals, particularly mammals, during their heat or mating season. Oestrus, also known as estrus, is the period in the reproductive cycle of female mammals when they are sexually receptive and most fertile.
The term oestrian can also be used to describe behaviors, physiological changes, or physical characteristics exhibited by animals during oestrus. This may include increased sexual activity, mounting or flirting behaviors, vocalizations or scent marking, and changes in hormone levels or reproductive organs. Oestrian behavior can vary among species, but it generally serves the purpose of attracting potential mates and facilitating successful reproduction.
In the context of veterinary medicine, the term oestrian is often used by professionals to discuss the reproductive status of female animals or to describe specific conditions related to estrus. It can help veterinarians determine the optimal timing for breeding or identify any abnormalities or reproductive issues that may be affecting an animal.
Overall, oestrian is a word that encompasses the various aspects of being in oestrus or estrus, including behavior, physiology, and reproductive characteristics, and is primarily used in the field of animal science and veterinary medicine.
A gadfly.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.