buildup

[bild-uhp]
noun
1.
a building up, as of military forces; increase in amount or number.
2.
a process of growth; strengthening; development: the buildup of heavy industry.
3.
an accumulation, as of a particular type of material: a buildup of salt deposits.
4.
an increase, as in potential, intensity, or pressure: A buildup of suspense began halfway through the movie.
5.
a progressive or sequential development: the buildup of helium atoms from hydrogen.
6.
praise or publicity designed to enhance a reputation or popularize someone or something: The studio spent $100,000 on the new star's buildup.
7.
a process of preparation designed to make possible the achievement of an ultimate objective: a lengthy buildup to a sales pitch.
8.
encouragement; a psychological lift: Every time I need a buildup, I look at her picture.
Also, build-up.


Origin:
1925–30, Americanism; noun use of verb phrase build up

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To buildup
Etymonline
Word Origin & History

buildup
1927, "accumulation of positive publicity," from build + up. Of any accumulation (but especially military) from 1943.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
Water plants keep ponds shaded, protecting them from heat buildup that
  stimulates algae growth.
Volcanologists thought that the buildup to a major eruption would take
  centuries.
Few events in the history of science have had a bigger buildup.
Obscured by all the commotion was the fact that, in this cold-war buildup, the
  weakest arm may still make all the difference.
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