metestrus: meaning, definition, pronunciation and examples
Very Low (C2+)Technical / Scientific (Biology, Veterinary Medicine, Animal Science)
Quick answer
What does “metestrus” mean?
The period of sexual quiescence following estrus (heat) in the reproductive cycle of female mammals.
Audio
Pronunciation
Definition
Meaning and Definition
The period of sexual quiescence following estrus (heat) in the reproductive cycle of female mammals.
In mammalian reproductive physiology, the phase of the estrous cycle characterized by regression of the corpus luteum if fertilization has not occurred, leading to a return to the baseline, non-receptive state.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling is consistent.
Connotations
Purely technical and denotative in both varieties.
Frequency
Equally rare and specialized in both UK and US English, confined to relevant scientific fields.
Grammar
How to Use “metestrus” in a Sentence
The [subject: animal] enters metestrus.Metestrus is characterized by [noun phrase: e.g., declining hormone levels].During metestrus, the [noun phrase: e.g., corpus luteum] regresses.Vocabulary
Collocations
Examples
Examples of “metestrus” in a Sentence
adjective
British English
- The metestrous uterus shows distinct histological changes.
- They tracked metestrous hormone profiles.
American English
- Metestrous smears were collected for analysis.
- The metestrous phase is relatively short in rodents.
Usage
Meaning in Context
Business
Never used.
Academic
Exclusively used in advanced biology, veterinary science, and animal husbandry research papers and textbooks.
Everyday
Never used.
Technical
Core term in reproductive physiology for describing precise stages of non-primate mammalian cycles.
Watch out
Common Mistakes When Using “metestrus”
- Misspelling as 'metestrous' (the adjective form) when the noun is intended.
- Using it to describe human reproductive cycles.
- Pronouncing it as /miːtɛstrəs/ (like 'meet').
FAQ
Frequently Asked Questions
No. While both occur after ovulation, 'metestrus' is a term specific to the estrous cycle of non-primate mammals. The human menstrual cycle uses the term 'luteal phase'.
Yes, the adjective form is 'metestrous' (e.g., metestrous female, metestrous phase).
The duration varies greatly between species. In mice, it may last less than a day, while in cows it can last several days. It is defined by physiological changes, not a fixed timeframe.
No. It is a highly specialized scientific term. An English learner would only need to learn it if they were studying veterinary science or advanced biology in English.
The period of sexual quiescence following estrus (heat) in the reproductive cycle of female mammals.
Metestrus is usually technical / scientific (biology, veterinary medicine, animal science) in register.
Metestrus: in British English it is pronounced /mɛtˈiːstrəs/, and in American English it is pronounced /mɛtˈɛstrəs/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: MET after ESTRUS. The MET in 'metestrus' can remind you it's the phase that comes after (meta-) the peak of estrus.
Conceptual Metaphor
THE CYCLE AS A WAVE: Metestrus is the declining slope of the wave after the peak (estrus).
Practice
Quiz
In which field would you most likely encounter the term 'metestrus'?