bigeminousadj.

Brit.

/ˌbʌɪˈdʒɛmᵻnəs/, U.S.

/ˌbaɪˈdʒɛmənəs/

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin bigeminus , -ous suffix.

Etymology: < post-classical Latin bigeminus (see bigeminal adj.) + -ous suffix.

Now rare or disused.

†1. Biology. Occurring or arranged in pairs or two pairs; bigeminate, bigeminal. Obsolete.

ΚΠ

1770 R. Weston Universal Botanist I. 176 Indian bigeminous-leaved Mimosa.

1839 London Encycl. XIV. 629/2 This genus [sc. Mimosa]..is divided into several sections, distinguished by the figure, situation, and arrangement of the leaves; as simple, simply pinnated, bigeminous and tergeminous.

1841 Phrenol. Jrnl. 14 177 The brain of the zoophoga [read zoophaga] is remarkable for the small size of the nates or anterior pair of the bigeminous eminences in proportion to the testes or posterior pair.

1866 J. Lindley & T. Moore Treasury Bot. I. 143/2 Bigeminous, in two pairs; as the placentæ of many plants.

2. Medicine. = bigeminal adj. 2. Now rare or disused.

ΘΚΠ

the world > health and disease > ill health > a disease > disorders of internal organs > disordered pulse or circulation > [adjective] > other pulse disorders

harda1398

rare1565

soft1571

large1612

bigeminal1877

bigeminous1881

Adams–Stokes1896

Stokes-Adams1903

quadrigeminal1906

1881 Brit. Jrnl. Homoeopathy 39 126 The rhythm changes, and the bigeminous pulse appears.

1906 P. Kintzing Signs of Internal Dis. iii. 59 When the two beats follow each other closely, it is called ‘bigeminous’; generally the second beat is weaker.

1925 A. R. Cushny Action & Uses Med. Digitalis & Allies ix. 248 Extra-systoles may occur only at long intervals or more frequently; sometimes every alternate beat is an extra-systole and the pulse is bigeminous.

†3. Zoology. In the terminology of W. Bateson: designating a tooth having two crowns. Obsolete. rare.

ΚΠ

1892 W. Bateson in Proc. Zool. Soc. 107 (caption) In the lower series the first premolar was bigeminous on both sides.

1894 W. Bateson Study of Variation 238 Since the bigeminous teeth are not completely divided, they must be reckoned as single teeth.

This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022).

单词	bigeminous
释义	bigeminousadj. Brit. /ˌbʌɪˈdʒɛmᵻnəs/, U.S. /ˌbaɪˈdʒɛmənəs/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin bigeminus , -ous suffix. Etymology: < post-classical Latin bigeminus (see bigeminal adj.) + -ous suffix. Now rare or disused. †1. Biology. Occurring or arranged in pairs or two pairs; bigeminate, bigeminal. Obsolete. ΚΠ 1770 R. Weston Universal Botanist I. 176 Indian bigeminous-leaved Mimosa. 1839 London Encycl. XIV. 629/2 This genus [sc. Mimosa]..is divided into several sections, distinguished by the figure, situation, and arrangement of the leaves; as simple, simply pinnated, bigeminous and tergeminous. 1841 Phrenol. Jrnl. 14 177 The brain of the zoophoga [read zoophaga] is remarkable for the small size of the nates or anterior pair of the bigeminous eminences in proportion to the testes or posterior pair. 1866 J. Lindley & T. Moore Treasury Bot. I. 143/2 Bigeminous, in two pairs; as the placentæ of many plants. 2. Medicine. = bigeminal adj. 2. Now rare or disused. ΘΚΠ the world > health and disease > ill health > a disease > disorders of internal organs > disordered pulse or circulation > [adjective] > other pulse disorders harda1398 rare1565 soft1571 large1612 bigeminal1877 bigeminous1881 Adams–Stokes1896 Stokes-Adams1903 quadrigeminal1906 1881 Brit. Jrnl. Homoeopathy 39 126 The rhythm changes, and the bigeminous pulse appears. 1906 P. Kintzing Signs of Internal Dis. iii. 59 When the two beats follow each other closely, it is called ‘bigeminous’; generally the second beat is weaker. 1925 A. R. Cushny Action & Uses Med. Digitalis & Allies ix. 248 Extra-systoles may occur only at long intervals or more frequently; sometimes every alternate beat is an extra-systole and the pulse is bigeminous. †3. Zoology. In the terminology of W. Bateson: designating a tooth having two crowns. Obsolete. rare. ΚΠ 1892 W. Bateson in Proc. Zool. Soc. 107 (caption) In the lower series the first premolar was bigeminous on both sides. 1894 W. Bateson Study of Variation 238 Since the bigeminous teeth are not completely divided, they must be reckoned as single teeth. This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022). < adj.1770
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