Definition of cryptozoic in English:

cryptozoic

adjective

Ecology
  • (of small invertebrates) living on the ground but hidden in the leaf litter, under stones or pieces of wood.

    • ‘This may account in part for the paucity of crepuscular to nocturnal or cryptozoic to fossorial skink lineages in the interior.’
    • ‘The very luxuriance of the vegetation, however, with its unlimited hiding-places for cryptozoic animals, made the task of collection more difficult than it would have been in a clearer neighbourhood, where the animals are concentrated, as it were, in a comparatively few spots.’

Origin

Late 19th century: from Greek kruptos hidden + zōē life + -ic.

Pronunciation:

cryptozoic

/ˌkriptəˈzōik/

Definition of Cryptozoic in English:

Cryptozoic

adjective

Geology
  • Relating to or denoting the period (the Precambrian) in which rocks contain no, or only slight, traces of living organisms.

    Compare with Phanerozoic
    • ‘The term ‘Precambrian’ is still used for Cryptozoic rocks, but tends to be applied loosely to formations lying beneath identified Cambrian strata and of uncertain age.’
    • ‘The Cryptozoic rocks are exposed in the continental shield areas and show patterns of orogenic activity.’

Origin

Early 20th century: from Greek kruptos hidden + zōē life + -ic.

Pronunciation:

Cryptozoic

/ˌkriptəˈzōik/