Just about nine months into the Web boom, though, there was a discernible change.

He turned on the thermal drive and the Mole plunged through the solid rock with no discernible change of speed.

The 2007 Spitzer image showed no discernible change in the ring after two years.

Network television executives said they found no discernible change in ratings that day.

There was one discernible change from the formal presentations to real life.

Especially when a test note that did not "belong" in some of the keys was heard, discernible changes occurred.

He could see no discernible change in the light play from the kelp.

For a day or two there is no discernible change in its appearance.

Education, on the other hand, is slow to change, discernible change being measurable in years, or even decades.

Looking around at both the target and the sky, I noticed no discernible change in either.