Dictionary
ex•per•i•men•tal•ism
Pronunciation: (ik-sper"u-men'tl-iz"um), [key]—
n.
1. doctrine or practice of relying on experimentation; empiricism.
2. fondness for experimenting or innovating:
The psychologists' children were raised in an atmosphere of vigorous experimentalism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.