'Intensification' definitions:

Definition of 'intensification'

From: WordNet
noun
Action that makes something stronger or more extreme
noun
The act of increasing the contrast of (a photographic film)

Definition of 'Intensification'

From: GCIDE
  • Intensification \In*ten`si*fi*ca"tion\, n. The act or process of intensifying, or of making more intense. [1913 Webster]