Wiktionary
building on
vb. (present participle of build on English)
Usage examples of "building on".
It must have been triggered by the erection of the dome, building on and amplifying the high-summer tradition and extending it throughout the year.
Eventually the two men brought up at a long, low building on the northern outskirts of the village.
He whirled and disappeared into the doorway of a building on the left.
It was the biggest [[Building on]] DoonaiRrala, bar the Archives Building on the Treaty Island.
The missile belched from Fearlesss number two missile tube and sped ahead at an acceleration of 417 KPS2, building on Fearlesss own velocity of just over eighteen thousand kilometers per second.
Trudging from the car to our apartment building on that summer afternoon was a low point.