Pronunciation: (bild'up"),[key] —n. 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".