† orthaxialadj.

Origin: Formed within English, by compounding. Etymons: ortho- comb. form, axial adj.

Etymology: < ortho- comb. form + axial adj. N.E.D. (1903) gives the pronunciation as (ǭɹþæ·ksiăl) /ɔːˈθæksɪəl/.

Ichthyology. Obsolete.

Having a straight vertebral axis, as a protocercal tail.

ΘΚΠ

the world > animals > fish > parts of fish > [adjective] > having fin(s) > having specific type of caudal fin

heterocercal1838

homocercal1838

gephyrocercal1886

orthaxial1886

homocerc-

1886 J. A. Ryder in Rep. U.S. Comm. Fisheries 1884 985 The word orthaxial is used to designate the archaic straight type of vertebrate axis which is not bent upwards at its posterior extremity.

This entry has been updated (OED Third Edition, September 2004; most recently modified version published online June 2018).

单词	orthaxial
释义	† orthaxialadj. Origin: Formed within English, by compounding. Etymons: ortho- comb. form, axial adj. Etymology: < ortho- comb. form + axial adj. N.E.D. (1903) gives the pronunciation as (ǭɹþæ·ksiăl) /ɔːˈθæksɪəl/. Ichthyology. Obsolete. Having a straight vertebral axis, as a protocercal tail. ΘΚΠ the world > animals > fish > parts of fish > [adjective] > having fin(s) > having specific type of caudal fin heterocercal1838 homocercal1838 gephyrocercal1886 orthaxial1886 homocerc- 1886 J. A. Ryder in Rep. U.S. Comm. Fisheries 1884 985 The word orthaxial is used to designate the archaic straight type of vertebrate axis which is not bent upwards at its posterior extremity. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online June 2018). < adj.1886
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