† protopterygianadj.

Origin: Formed within English, by compounding. Etymons: proto- comb. form, -pterygian comb. form.

Etymology: < proto- comb. form + -pterygian comb. form. N.E.D. (1909) gives the pronunciation as (prō^u:toˌptĕri·dʒiăn) /ˌprəʊtəʊptəˈrɪdʒɪən/.

Zoology. Obsolete. rare.

Designating the stage in the embryonic development of a bony fish during which the fin rays first appear.

ΚΠ

1885 J. A. Ryder in Amer. Naturalist 19 202 I propose to call this the protopterygian stage of the development of the fin rays in the Teleostei.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2018).

单词	protopterygian
释义	† protopterygianadj. Origin: Formed within English, by compounding. Etymons: proto- comb. form, -pterygian comb. form. Etymology: < proto- comb. form + -pterygian comb. form. N.E.D. (1909) gives the pronunciation as (prō^u:toˌptĕri·dʒiăn) /ˌprəʊtəʊptəˈrɪdʒɪən/. Zoology. Obsolete. rare. Designating the stage in the embryonic development of a bony fish during which the fin rays first appear. ΚΠ 1885 J. A. Ryder in Amer. Naturalist 19 202 I propose to call this the protopterygian stage of the development of the fin rays in the Teleostei. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2018). < adj.1885
随便看	papier poudré papiers collés papilio papilionaceous papilionid papilionine papilios papilious oxyacetic oxyacetylene oxyacetylenes oxyacid oxyacids oxyaesthesia oxyalcohol oxyammonia oxyamygdalic oxyanion oxyaphia oxyarc oxyard oxyaromatic oxyaster oxybaphon oxybase