| 单词 | potato stone |
| 释义 | > as lemmaspotato stone potato stone n. Geology (now rare) = geode n. ΘΚΠ the world > the earth > structure of the earth > constituent materials > stone > a stone > [noun] > concretionary or nodular > geode geode1623 geodite1802 potato stone1824 thunder egg1951 1824 W. Buckland & W. D. Conybeare in Trans. Geol. Soc. 1 292 These geodes are called..Potatoe stones. 1895 J. W. Anderson Prospector's Handbk. (ed. 6) 97 Heliotrope.., firestone and quartz cat's eye, potato-stone, &c. 1984 Observer 4 Mar. (Mag.) 70/1 A potato stone, so called because it looks like a potato, split in half to display its amethyst interior. < as lemmas |
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