intermediate vs medial

intermediate

noun
  • Anything in an intermediate position. 

  • Any substance formed as part of a series of chemical reactions that is not the end-product. 

  • An intermediary. 

verb
  • To mediate, to be an intermediate. 

  • To arrange, in the manner of a broker. 

adj
  • Being between two extremes, or in the middle of a range. 

medial

noun
  • Any of various things that occur in the middle. 

  • One or more letters that occur in the middle of a word. 

adj
  • Of or pertaining to the media and/or the areas of the wing next to it. 

  • Pertaining to the inside; closer to the median plane of the body or the midline of an organ. 

  • (of a speech sound) In the middle of a word. 

  • Closer to the addressee. 

  • Of or pertaining to a mean or average. 

  • Pertaining to the middle layer of a blood vessel, to its tunica media. 

  • (of a consonant) Central: produced when air flows across the center of the mouth over the tongue. 

How often have the words intermediate and medial occurred in a corpus of books? (source: Google Ngram Viewer )