单词 | trapezohedron |
释义 | Word Frequency trapezohedron(trəˌpiːzəʊˈhiːdrən) nounWord forms: plural -drons or -dra (-drə) crystallography a crystal form in which all the crystal's faces are trapeziums Derived forms trapezohedral (traˌpezoˈhedral) adjective Word origin C19: from trapezo- combining form of trapezium + -hedron, on the model of tetrahedron |
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