Word.ws English Dictionary

anestrus

anestrus noun: in female placental mammals—excluding humans and great apes—a phase of the estrous cycle during which the sexual cycle rests.

Noun

anestrus (countable and uncountable, plural anestri)

  1. In female placental mammals—excluding humans and great apes—a phase of the estrous cycle during which the sexual cycle rests.
    • Duration of postpartum anestrus is the period from calving to the first estrus. This anestrus period is recognized as being a major factor in controlling the proportion of cows conceiving each breeding season (Wiltbank et al., 1961).1993, R. E. Larsen, S. C. Denham, J. F. Boucher, E. L. Adams, Chapter 13: Breeding Season Length Versus Calving Percentage in Beef Cattle Herds, Michael J. Fields, Robert S. Sand (editors), Factors...
    • During anestrus the size range and numbers of ovarian antral follicles were similar to those seen during the breeding season.2008, Sabine Meinecke-Tillmann, Burkhard Meinecke, “Chapter 14: Ultrasonography in Small Ruminant Reproduction”, in Heide Schatten, Gheorghe M. Constantinescu, editors, Comparative Reproductive...
    Synonyms:
    anaestrum, anœstrum, anestrum, anestrous phase

Synonyms of anestrus

  • anaestrum
  • anœstrum
  • anestrum
  • anestrous phase

Forms of anestrus

pluralanestri
alternative formanoestrus
alternative formanœstrus

Origin of anestrus

From an- + estrus.

Words formed from anestrus

Questions about anestrus

What does anestrus mean?
Anestrus means in female placental mammals—excluding humans and great apes—a phase of the estrous cycle during which the sexual cycle rests.
What part of speech is anestrus?
Anestrus is a noun.
What is the plural of anestrus?
The plural of anestrus is anestri.

Words near anestrus in the dictionary

  1. anesthization
  2. anestra
  3. anestri
  4. anestrous
  5. anestrum
  6. anestrus
  7. anet
  8. Aneta
  9. Aneth
  10. anethene
  11. anethical

Source and license

Adapted from Wiktionary: anestrus (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “anestrus.” Word.ws, https://word.ws/anestrus. Based on Wiktionary, CC BY-SA 4.0.