di·at·o·mite /daɪˈætəˌmaɪt/ 矽藻土
di·at·o·mite /daɪˈætəˌmaɪt/ 名詞 硅藻土
diatomite n : a light soil consisting of siliceous diatom remains and often used as a filtering material [syn: diatomaceous earth, kieselguhr]