Definition of build on/upon
1 : to use (something that has been done in the past) as a basis for further work, development, etc. These classes will help students build on what they already know. building upon past experiences/successes
2 : to develop or create (something) by using (something else) as its basis He built his theory on recent studies. Their theory is built upon her research.
Word by Word Definitions
: to form by ordering and uniting materials by gradual means into a composite whole : construct
: to cause to be constructed
: to develop according to a systematic plan, by a definite process, or on a particular base
: form or mode of structure : make
: bodily conformation of a person or animal
: on the surface : on it
: thereafter, thereon
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