oestralestraladj.

Brit.

/ˈiːstr(ə)l/,

/ˈɛstr(ə)l/, U.S.

/ˈɛstr(ə)l/

Forms: 1800s– oestral, 1900s– estral.

Origin: Formed within English, by derivation. Etymons: oestrum n., -al suffix¹.

Etymology: < oestrum n. + -al suffix¹. Compare earlier oestrual adj.

= oestrous adj.

ΘΚΠ

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

1877 Veterinary Jrnl. 3 445 In the case under consideration, the œstral products (however many times the heifer had been ‘in heat’) had evidently never found exit from the uterus.

1906 Proc. Royal Soc. 1905–6 B. 77 509 It is probable that the slight increase in size of these glands at each œstral period is also determined by the greater activity of the ovaries at these periods.

1932 A. L. Winton et al. Struct. & Composition Foods III. 54 (heading) Variation [of milk composition] during estral period.

1942 Amer. Midland Naturalist 27 363 One female which was, from appearance, a summer juvenile of the year before was found in or near the oestral condition on June 24.

1978 Brain Res. Bull. 3 623 The oestral phase was induced in these cats by the subcutaneous administration of 17β-oestradiol.

1991 Smallholder (BNC) Oct. 18 If she can, she will approach a male goat and will stand still to receive his attentions. This receptiveness is the key feature in oestral behaviour.

This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).

单词	oestral
释义	oestralestraladj. Brit. /ˈiːstr(ə)l/, /ˈɛstr(ə)l/, U.S. /ˈɛstr(ə)l/ Forms: 1800s– oestral, 1900s– estral. Origin: Formed within English, by derivation. Etymons: oestrum n., -al suffix¹. Etymology: < oestrum n. + -al suffix¹. Compare earlier oestrual adj. = oestrous adj. ΘΚΠ 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 1877 Veterinary Jrnl. 3 445 In the case under consideration, the œstral products (however many times the heifer had been ‘in heat’) had evidently never found exit from the uterus. 1906 Proc. Royal Soc. 1905–6 B. 77 509 It is probable that the slight increase in size of these glands at each œstral period is also determined by the greater activity of the ovaries at these periods. 1932 A. L. Winton et al. Struct. & Composition Foods III. 54 (heading) Variation [of milk composition] during estral period. 1942 Amer. Midland Naturalist 27 363 One female which was, from appearance, a summer juvenile of the year before was found in or near the oestral condition on June 24. 1978 Brain Res. Bull. 3 623 The oestral phase was induced in these cats by the subcutaneous administration of 17β-oestradiol. 1991 Smallholder (BNC) Oct. 18 If she can, she will approach a male goat and will stand still to receive his attentions. This receptiveness is the key feature in oestral behaviour. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022). < adj.1877
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