experimental
These quantities have been experimentally measured.
The new power is being introduced experimentally in ten cities.
He touched the book in front of him experimentally, with one finger.

SMART Vocabulary: related words and phrases

Testing, checking and experimenting
artefact
as an experiment
assay
background check
blood draw
experiment station
experimental
experimentation
experimenter
factorial
inoculate
put someone/something through their/its pacesidiom
put something to the testidiom
recheck
reinspect
reinspection
uncheckable
untestable
untested
welfare check

You can also find related words, phrases, and synonyms in the topics:

Uncertainty