单词 | trachytoid |
释义 | trachytoid, a.|ˈtrækɪtɔɪd, ˈtreɪkɪ-| [f. as prec. + -oid, after F. trachytoïde.] Resembling or allied to trachyte.
1885Geikie Text-bk. Geol. ii. ii. v. (ed. 2) 110 note, For this [semi-crystalline] structure the term ‘mixed’ has been proposed, as being a mixture of the crystalline and amorphous (glassy) structures. It has been designated by Fouqué and Michel-Lévy ‘trachytoid’, as being typically developed among the trachytes. Ibid. vii. 137 Two leading types of structure are recognised by these authors among the eruptive rocks. 1. Granitoid... 2. Trachytoid, distinguished by a more marked contrast between the crystals of the first and second consolidation, the usual presence of an amorphous magma, and the fluxion structure. |

英语词典包含277258条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
相关内容11:
相关热词搜索:trachytoid英英词典英英释义英语词汇意思用法释义英语