experimental

Edison was acquainted with two experimental facts on which to base the invention.

The scientific mind is not confined wholly to experimental research.

I've got a new idea for a battery, and I made an experimental one.

Experimental model or not, this was a nice-looking hunk of machinery.

Well, if we were talking science instead of common sense, we should call that an Experimental Verification.

There is also a Government station here, and an experimental garden.

The week-day school of religion is still in an experimental stage.

He has lately been feeding ten steers in an experimental way.

Part of the experimental model vaporized, wooosh, just like that.

The most frequent advanced course is one in experimental psychology.