coccolithPronunciation: /ˈkɒkəlɪθ/Definition of coccolith noun Biology a minute rounded calcareous platelet, numbers of which form the spherical shells of coccolithophores. Origin: mid 19th century: from Greek kokkos 'grain or berry' + lithos 'stone'coccolith in other Oxford dictionaries Definition of coccolith in the US English dictionary
