Definition of buildup
(Entry 1 of 2)
1 : something produced by building up
fluid buildup in the lungs
2 : the act or process of building up
build up
verbbuilt up; building up; builds up
Definition of build up (Entry 2 of 2)
1 : to develop gradually by increments
building up endurance built up a library
2 : to promote the health, strength, esteem, or reputation of
: to accumulate or develop appreciably
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Time Traveler for buildup
The first known use of buildup was in 1555
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