单词 | gyrogonite |
释义 | gyrogoniten. Geology. A petrified seed-vessel of plants of the genus Chara, spiral in form, and formerly supposed to be a shell. ΘΚΠ the world > plants > particular plants > algae > [noun] > stoneworts > fossil gyrogonite1831 1831 H. T. De la Beche Geol. Man. ii. 139 Seeds of Charæ, or Gyrogonites, are converted into carbonate of lime, in which the nut is sometimes found within. 1833 C. Lyell Princ. Geol. III. 236 In the limestone I found gyrogonites. 1838 G. A. Mantell Wonders Geol. II. 600 The gyrogonites of the tertiary strata of the Paris basin. This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2018). < n.1831 |
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