The pinkish water turned clear before it reached the bottom of the hill.

The dirt brown color of the dome field started to thin, like smoked glass turning clear.

Run fresh water into the sink and watch the filthy water turn clear again.

I would like to know why they turned clear?

Probably plastic like the walls, and with darkness above, it turns perfectly clear.

The night had turned cold but clear; the dawn was a glory.

As I watched, the sky above the places we had walked turned clear.

As a current is generated, the thermochromic ink will turn clear.

Evening became night; the weather turned cold and clear.

Eight successfully dropped their bomb loads before turning clear of the area.