cincinnati epoch

1 definition found

cincinnati epoch - Collaborative International Dictionary of English v.0.48 :

  Cincinnati epoch \Cin`cin*na"ti ep"och\ (Geol.)
     An epoch at the close of the American lower Silurian system.
     The rocks are well developed near Cincinnati, Ohio. The group
     includes the Hudson River and Lorraine shales of New York.
     [1913 Webster]