estrus Hear it!

estrus Definition

es·trus (es′trəs; Brit usually ē′strəs)

noun

  1. the periodic sexual excitement of most female placental mammals, corresponding to rut in males; heat
  2. the period of this when the female will accept mating with the male, characterized by changes in the sex organs

Etymology: ModL < L oestrus, gadfly, horsefly, frenzy < Gr oistros, gadfly, sting, frenzy < IE base *eis-, to move violently > ON eisa, to rush on, L ira, ire, Lith aistra, violent passion

estrus Usage Examples

Modifies a noun

  • synchronization: Intact females of all ages that receive progesterone or estrogen hormones for estrus synchronization or mismating are also at risk.

Browse dictionary entries near estrus

  1. ‹ estrous cycle
  2. ‹ estrous
  3. ‹ estrone
  4. ‹ estrogenic
  5. ‹ estrogen
  6. ‹ estriol
  7. ‹ Estremadura
  8. ‹ estreat
  9. ‹ estray
  10. ‹ estrangement
  1. estuarine ›
  2. estuary ›
  3. esu ›
  4. esurient ›
  5. et ›
  6. et al. ›
  7. et cetera ›
  8. et cetera or etc. ›
  9. et seq. ›
  10. -et ›