隐生宙 yǐnshēngzhòu Cryptozoic Origin Definitions Defs Strokes Stroke Words Sentences Sents 隐 隱 yǐn adjective hidden (bound form) hidden; secret; latent or dormant; not obvious生 shēng noun life life; lifetime; existence宙 zhòu eon (geology) the largest unit of geological time, corresponding to the chronostratigraphic unit "eonothem"