70th

from WordNet (r) 3.0 (2006)
70th
    adj 1: the ordinal number of seventy in counting order [syn:
           {seventieth}, {70th}]
    
from The Collaborative International Dictionary of English v.0.48
70th \70th\ adj.
   1. coming next after the sixty-ninth in a series

   Syn: seventieth
        [WordNet 1.5 +PJC]
    

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