| 单词 | serpentine |
| 释义 | Word Frequency serpentine 1(ˈsɜːpənˌtaɪn) adjective 1. of, relating to, or resembling a serpent 2. twisting; winding noun 3. mathematics a curve that is symmetric about the origin of and asymptotic to the x -axis Word origin C14: from Late Latin serpentīnus, from serpēns serpentWord Frequency serpentine 2(ˈsɜːpənˌtaɪn) noun 1. a dark green or brown mineral with a greasy or silky lustre, found in igneous and metamorphic rocks. It is used as an ornamental stone; and one variety (chrysotile) is known as asbestos. Composition: hydrated magnesium silicate. Formula: Mg3 Si2O5(OH)4. Crystal structure: monoclinic 2. any of a group of minerals having the general formula (Mg,Fe)3Si2O5(OH)4 Word origin C15 serpentyn, from Medieval Latin serpentīnum serpentine1; referring to the snakelike patterns of these minerals |
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