data data /ˈdætə/

noun

1. () A collection of facts from which conclusions may be drawn  ( information , data )
   a collection of facts from which conclusions may be drawn
    Statistical data
   statistical data
   

 datum datum /ˈdeɪtəm/

noun

1. () An item of factual information derived from measurement or research  ( data point , datum )
   an item of factual information derived from measurement or research