cryptozoicPronunciation: /ˌkrɪptəˈzəʊɪk/Definition of cryptozoic adjective Ecology (of small invertebrates) living on the ground but hidden in the leaf litter under stones or pieces of wood: scorpions are shy or cryptozoicDerivatives cryptozoa noun Origin: late 19th century: from Greek kruptos 'hidden' + zōē 'life' + -iccryptozoic in other Oxford dictionaries Definition of cryptozoic in the US English dictionary