opisthuraladj.

Brit.

/ˌɒpᵻsˈθjʊərəl/,

/ˌɒpᵻsˈθjʊərl̩/, U.S.

/ˌɑpəsˈθ(j)ʊr(ə)l/

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

Etymology: < opisthure n. + -al suffix¹.

Ichthyology. Now rare.

Of or relating to the opisthure of a fish.

ΚΠ

1886 J. A. Ryder in Rep. U.S. Comm. Fish & Fisheries 1884 984 The word opisthural applies to apophysical elements in contact with the underside of the urostyle.

1890 Amer. Naturalist 24 422 (caption) Specimen with tip of notochord still more reflexed..; permanent caudal and opisthural lobes somewhat more distinct.

1910 Proc. Royal Soc. 1909–10 B. 82 139 (caption) Opisthural cartilage.

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

单词	opisthural
释义	opisthuraladj. Brit. /ˌɒpᵻsˈθjʊərəl/, /ˌɒpᵻsˈθjʊərl̩/, U.S. /ˌɑpəsˈθ(j)ʊr(ə)l/ Origin: Formed within English, by derivation. Etymons: opisthure n., -al suffix¹. Etymology: < opisthure n. + -al suffix¹. Ichthyology. Now rare. Of or relating to the opisthure of a fish. ΚΠ 1886 J. A. Ryder in Rep. U.S. Comm. Fish & Fisheries 1884 984 The word opisthural applies to apophysical elements in contact with the underside of the urostyle. 1890 Amer. Naturalist 24 422 (caption) Specimen with tip of notochord still more reflexed..; permanent caudal and opisthural lobes somewhat more distinct. 1910 Proc. Royal Soc. 1909–10 B. 82 139 (caption) Opisthural cartilage. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022). < adj.1886
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