单词 | tetartopyramid |
释义 | > as lemmastetartopyramid tetartopyramid n. Brit. /tᵻˌtɑːtə(ʊ)ˈpɪrəmɪd/ , /tɛˌtɑːtə(ʊ)ˈpɪrəmɪd/ , U.S. /təˌtɑrdoʊˈpɪrəˌmɪd/ , /tɛˌtɑrdoʊˈpɪrəˌmɪd/ see quot.ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [adjective] > miscellaneous others secondary1816 trapezian1816 triacontahedral1816 tri-dodecahedral1816 tri-hexahedral1816 tri-octahedral1816 tri-rhomboidal1816 octodecimal1817 octoduodecimal1817 octosexdecimal1817 pentahexahedral1817 octahedrala1824 trigonal1878 pinacoidal1879 tetartopyramid1891 trisoctahedral1891 tetartohexagonal1895 tetartosystematic1895 1891 Cent. Dict. Tetartopyramid,..a quarter-pyramid: said of the pyramidal planes of the triclinic system, which appear in sets of two (that is, one fourth the number required by a complete pyramid). < as lemmas |
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