oestrousestrousadj.
/ˈiːstrəs/, /ˈɛstrəs/, U.S. /ˈɛstrəs/ Zoology and Physiology.
Of, relating to, or associated with (an) oestrus; designating a period of oestrus; in oestrus, in or on heat.
ΘΚΠ
the world > physical sensation > sexual relations > sexual activity > [adjective] > relating to orgasm
orgastic1822
orgasmal1833
oestrual1857
oestrous1900
climactic1913
orgasmic1923
the world > animals > animal body > general parts > sexual organs and reproduction > [adjective] > relating to mating > in specific reproductive phase
hot?a1300
rutey timec1400
jolly1535
proud1575
rutting1575
rank1600
musth1839
oestrual1857
oestral1877
diœstrous1900
oestrous1900
polyoestrous1900
1900 W. Heape in Q. Jrnl. Microsc. Sci. 44 60 The sexual season of all mammals is evidenced by a series of phenomena which constitute, in the absence of the male, one œstrous cycle (monœstrous mammals) or a series of œstrous cycles (polyœstrous mammals).
1904 Philos. Trans. (Royal Soc.) B. 196 73 (heading) Number of follicles discharging at an œstrous period.
1925 Proc. National Acad. Sci. U.S.A. 11 377 Females of proven fertility..at the pro-oestrous or early oestrous stage.
1975 Sci. Amer. May 57/1 He [sc. a young male lion]..will mate if he encounters an unattended estrous female.
1990 Jrnl. Zool. 220 287 Males approached females regardless of their oestrous state and were usually rebuffed with varying degrees of intensity including striking and chasing.
Compounds
oestrous cycle n. the reproductive cycle typical of most female mammals, in which there are regularly recurring periods of sexual receptivity and fertility separated by periods of sexual inactivity.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive cycle > [noun]
oestrous cycle1900
1900 W. Heape in Q. Jrnl. Microsc. Sci. 44 60 The sexual season of all mammals is evidenced by a series of phenomena which constitute, in the absence of the male, one œstrous cycle (monœstrous mammals) or a series of œstrous cycles (polyœstrous mammals).
1920 Lancet 2 Oct. 727/1 Under well-regulated food conditions the œstrous cycle in the guinea-pig is almost uniformly 16–17 days in duration.
1992 Today's Horse (BNC) Feb. 15 If a mare is fit and healthy, with a normal oestrous cycle, there is no reason to suppose she will have problems in foaling.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).
<
adj.1900