1. the act, or result of amplifying, enlarging, extending or adding to
  2. the act, or result of independently increasing some quantity, especially voltage, power or current
  3. gain
  4. using the polymerase chain reaction (PCR) for isolating and exponentially amplifying a fragment or sequence of DNA
  5. 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)

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