单词 | trappoid |
释义 | trappoid, a. Min.|ˈtræpɔɪd| [f. trap n.5 + -oid.] Resembling or allied to trap-rock.
1842in Phillips Man. Geol. (1855) 250 Upon this lies an often trappoid or magnesian conglomerate. 1854Murchison Siluria xiii. 334 A reaggregated trappoid breccia. 1889Nature 12 Dec. 140/2 In saucer-like hollows in the solid, tough, trappoid rocks. |

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