acaudaladj.

Brit.

/(ˌ)eɪˈkɔːdl/, U.S.

/eɪˈkɔd(ə)l/,

/eɪˈkɑd(ə)l/

Origin: Formed within English, by derivation. Etymons: a- prefix⁶, caudal adj.

Etymology: < a- prefix⁶ + caudal adj. Compare slightly earlier acaudate adj. N.E.D. (1884) gives the pronunciation as (ăkǭ·dăl) /əˈkɔːdəl/.

Zoology.

Tailless; acaudate.

ΘΚΠ

the world > animals > animal body > general parts > rump and tail > [adjective] > relating to the tail > having a tail > not having

tailless15..

untailed1807

acaudate1835

acaudal1840

rumpy1845

ecaudate1849

1840 O'B. Bellingham in Mag. Nat. Hist. 4 241 The body of the animal is soft, flattened in parts, in others nearly cylindrical: it terminates posteriorly in acaudal vesicle.

1859 Todd's Cycl. Anat. & Physiol. V. 121/2 The several stages of development of the peculiar acaudal..spermatic corpuscles.

1912 W. Patten Evol. Vertebr. & their Kin xv. 280 Acephalic and Acaudal Embryos.—A common abnormality consists in the extensive reduction of the anterior or posterior metameres.

1997 Copeia 9 Dec. 884/2 Eight turtles of each tail phenotype (normal and acaudal) were used for experimental testing.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online June 2022).

单词	acaudal
释义	acaudaladj. Brit. /(ˌ)eɪˈkɔːdl/, U.S. /eɪˈkɔd(ə)l/, /eɪˈkɑd(ə)l/ Origin: Formed within English, by derivation. Etymons: a- prefix⁶, caudal adj. Etymology: < a- prefix⁶ + caudal adj. Compare slightly earlier acaudate adj. N.E.D. (1884) gives the pronunciation as (ăkǭ·dăl) /əˈkɔːdəl/. Zoology. Tailless; acaudate. ΘΚΠ the world > animals > animal body > general parts > rump and tail > [adjective] > relating to the tail > having a tail > not having tailless15.. untailed1807 acaudate1835 acaudal1840 rumpy1845 ecaudate1849 1840 O'B. Bellingham in Mag. Nat. Hist. 4 241 The body of the animal is soft, flattened in parts, in others nearly cylindrical: it terminates posteriorly in acaudal vesicle. 1859 Todd's Cycl. Anat. & Physiol. V. 121/2 The several stages of development of the peculiar acaudal..spermatic corpuscles. 1912 W. Patten Evol. Vertebr. & their Kin xv. 280 Acephalic and Acaudal Embryos.—A common abnormality consists in the extensive reduction of the anterior or posterior metameres. 1997 Copeia 9 Dec. 884/2 Eight turtles of each tail phenotype (normal and acaudal) were used for experimental testing. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online June 2022). < adj.1840
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