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bot·tom-up | \ ˈbä-təm-ˈəp 
\
\Definition of bottom-up
: progressing upward from the lowest levels (as of a stratified organization or system)
bottom-up management
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bottom-up
adjectiveEnglish Language Learners Definition of bottom-up
: progressing upward from the lowest levels : controlled or directed from the lower levels
See the full definition for bottom-up in the English Language Learners Dictionary
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Time Traveler for bottom-up
The first known use of bottom-up was in 1930
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