单词 | pelmatozoic |
释义 | pelmatozoicadj. Zoology and Palaeontology. Now rare. Designating or relating to echinoderms which are fixed to the substrate by a stalk. Cf. pelmatozoan adj. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [adjective] > belonging to or characteristic of Pelmatozoa pelmatozoic1891 1891 Athenæum 24 Jan. 125/2 Gross errors, such as putting..the pelmatozoic crinoids among the ‘Stellerida’. 1900 E. R. Lankester Treat. Zool. iii. 19 The Holothurians..are primitive as regards Pelmatozoic structure. 1909 Cent. Dict. Suppl. (at cited word) The Eleutherozoa are considered to have passed through a pelmatozoic stage. 1967 Science 27 Oct. 525 Fixation seems to have ensued (the pelmatozoic condition), perhaps in their pre-Phanerozoic period. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < adj.1891 |
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。