| 单词 | coccolith |
| 释义 | coccolith —coccolithic, adj. /kok"euh lith'/, n. a microscopic calcareous disk or ring making up part of the covering of certain marine plankton and forming much of the content of chalk rocks. [1865-70; < NL Coccolithus orig. a genus name; see COCCUS, -O-, -LITH] |
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