noun.
The act or process of intensifying, or of making more intense.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the act of increasing the contrast of (a photographic film)
noun.
action that makes something stronger or more extreme
Word Usage
"Paula intensified remarkably quickly, setting a modern record for the fastest intensification from the issuance of the first advisory to hurricane strength."