| 释义 |
gyrogonite Geol.|dʒaɪəˈrɒgənaɪt|
[f. gyro- + Gr. γόν-ος seed + -ite.]
A petrified seed-vessel of plants of the genus Chara, spiral in form, and formerly supposed to be a shell.
1832H. T. De la Beche Geol. Man. (ed. 2) 147 Seeds of Charæ, or Gyrogonites, are converted into carbonate of lime, in which the nut is sometimes found within. 1833Lyell Princ. Geol. III. 236 In the limestone I found gyrogonites. 1833G. A. Mantell Wonders Geol. (1838) II. 600 The gyrogonites of the tertiary strata of the Paris basin. |