| 单词 | seed fern |
| 释义 | > as lemmasseed fern seed fern n. any of a group of extinct plants resembling ferns but producing seeds rather than spores; = pteridosperm n. ΘΚΠ the world > plants > particular plants > plants and herbs > fossil plants > [noun] cycadite18.. Bothrodendron1835 lepidodendron1836 calamite1837 sphenophyllum1837 stigmaria1845 polyporite1846 fucoid1848 Muscites1859 lepidodendrid1863 Bennettites1871 lepidodendroid1872 progymnosperm1885 pteridosperm1904 Bennettitales1907 seed fern1907 1907 Sci. Progress 20th Cent. 2 v. 259 The ‘Seed-ferns’ may be regarded as forms intermediate in character between the true Ferns and Gymnosperms. 1944 Illustr. London News 8 Jan. 54 (caption) A front of a seed fern from the coal measures. 2000 C. Tudge Variety of Life ii. xvii. 425 Rhynchosaurs seemed adapted to eat tough vegetation, like ‘seed-ferns’. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。