pruning vs telescoping

pruning

noun
  • Something obtained by pruning, as a twig. 

  • A removal of excess material from a tree or shrub. 

  • A method of enumeration that allows the cutting out of parts of a decision tree. 

telescoping

noun
  • The act of extending or contracting in the manner of a telescope. 

  • A telescopic action. 

  • Extending limited data to make up for gaps 

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