Webster's English Dictionary

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interpolate

Cross references:
  1. introduce             
 
in.ter.po.late \in-'t*r-p*-.la-t\ \(.)in-.t*r-p*-'la--sh*n\ 
   \in-'t*r-p*-.la-t-iv\ \-.la-t-*r\ vb [L interpolatus, pp. of interpolare to 
   refurbish, alter, interpolat]e, fr. inter- + -polare (fr. polire to polish) 
   1a: to alter or corrupt (as a text) by inserting new or foreign matter  1b: 
   to insert (words) into a text or into a conversation  2: to insert between 
   other things or parts : INTERCALATE  3: to estimate values of (a function) 
   between two known values  : to make insertions  - in.ter.po.la.tion n