amplification vs stretching

amplification

noun
  • The act, or result of amplifying, enlarging, extending or adding. 

  • A procedure used in the nomenclature of complex organic compounds in which the superatoms of a basic structure (a phane) are replaced by cyclic structures (amplificants). 

  • The act, or result of independently increasing some quantity, especially voltage, power or current. 

  • A translation technique that involves adding content that is not present in the source text to the target text, usually to improve the fluency of the translation. 

  • Gain. 

  • The using of the polymerase chain reaction (PCR) for isolating and exponentially amplifying a fragment or sequence of DNA. 

stretching

noun
  • The act by which something is stretched. 

  • A form of physical exercise in which a specific skeletal muscle (or muscle group) is deliberately elongated to its fullest length in order to improve the muscle's felt elasticity and reaffirm comfortable muscle tone. 

adj
  • Requiring a high level of effort or performance. 

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