| 释义 |
kaolin /ˈkeɪəlɪn /noun [mass noun]A fine soft white clay, resulting from the natural decomposition of other clays or feldspar. It is used for making porcelain and china, as a filler in paper and textiles, and in medicinal absorbents. Also called china clay.Surprisingly, many of these are inorganic minerals; for example talc and kaolin or china clay....- The white kaolin clay has extra fine particles that simultaneously thwart insects and act as an alkaline barrier to fungal spores.
- But the fine, white clay called kaolin was essential.
Derivatives kaolinize (also kaolinise) verb ...- No shell material has been found, which in view of the highly kaolinized, tropically weathered nature of the matrix is not surprising.
- The material has been highly kaolinized, with no original shell material preserved.
- Some of the feldspars are altered to the pale-greenish or whitish kaolinized and sericitized stage.
kaolinic /-ˈlɪnɪk/ adjectiveOrigin Early 18th century: from French, from Chinese gāolǐng, literally 'high hill', the name of a mountain in Jiangxi province where the clay is found. |