Home › Words › H › holococcolithholococcolithholococcolith means A form of coccolith, composed of minute calcite rhombohedra arranged in continuous arrays, produced by a holococcolithophore.EtymologyFrom holo- + coccolith.nounA form of coccolith, composed of minute calcite rhombohedra arranged in continuous arrays, produced by a holococcolithophoreDefinitions & examples from Wiktionary (CC BY-SA 3.0).