Word Study
    eozoic
CIDE DICTIONARY
eozoic, a. [See Eozoön.]. 
                                            
                                         Of or pertaining to rocks or strata older than the Paleozoic, in many of which the eozoön has been found.                                                                                 [1913 Webster]                                                                                                                                    
                                                                                    
                                                    " This term has been proposed for the strata formerly called Azoic, and is preferred especially by those geologists who regard the eozoön as of organic origin. See Archæan ."                                                                                            
                                                     [1913 Webster]                                                
                                                                                                                                                                
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