trappoidadj.

/ˈtrapɔɪd/

Etymology: < trap n.⁵ + -oid suffix.

Mineralogy.

Resembling or allied to trap-rock.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > trap

trapiferous1794

trappose1796

trappean1815

trappous1828

trappoid1854

trappy1864

1854 R. I. Murchison Siluria xiii. 334 A reaggregated trappoid breccia.

1855 J. Phillips Man. Geol. 250 Upon this lies an often trappoid or magnesian conglomerate.

1889 Nature 12 Dec. 140/2 In saucer-like hollows in the solid, tough, trappoid rocks.

This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2018).

单词	trappoid
释义	trappoidadj. /ˈtrapɔɪd/ Etymology: < trap n.⁵ + -oid suffix. Mineralogy. Resembling or allied to trap-rock. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > trap trapiferous1794 trappose1796 trappean1815 trappous1828 trappoid1854 trappy1864 1854 R. I. Murchison Siluria xiii. 334 A reaggregated trappoid breccia. 1855 J. Phillips Man. Geol. 250 Upon this lies an often trappoid or magnesian conglomerate. 1889 Nature 12 Dec. 140/2 In saucer-like hollows in the solid, tough, trappoid rocks. This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2018). < adj.1854
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