'buildup' definitions:

Definition of 'buildup'

From: WordNet
noun
The act of building up an accumulation; "I envied his rapid buildup of assets"; "a military buildup in preparation for the invasion"
noun
The result of the process of accumulation; "the buildup of leaves blocked the drain pipes"
noun
Highly favorable publicity and praise; "his letter of recommendation gave her a terrific buildup"

Definition of 'buildup'

From: GCIDE
  • buildup \build"up\, build-up \build-up\n.
  • 1. the act of building up an accumulation.
  • Syn: build-up. [WordNet 1.5]
  • 2. the events, such as advertising or publicity, causing increased interest in some coming event. The buildup to Superbowl XXIV was the most intense of the series. [PJC]