red-hot vs superheated

red-hot

adj
  • Emotionally charged, especially with anger or enthusiasm. 

  • Very fresh, exciting, and up-to-date. 

  • Having a very strong sexual appeal. 

  • Heated to the point that it glows with a visible red color. 

  • very hot 

superheated

adj
  • exceedingly intense or emotional 

  • Heated above the boiling point 

  • heated above the critical point 

How often have the words red-hot and superheated occurred in a corpus of books? (source: Google Ngram Viewer )